PLATO – 08060948531 GNS 311 – STUDY QUESTIONS AND ANSWERS ON HISTORY AND PHILOSOPHY OF SCIENCE BY PLATO, REVIEWED BY PRIME CRYSTAL AND PREMIER, POWERED BY A -PLUS EDUCATIONAL CONSULT, TANKE AJANAKU JUNCTION, ILORIN NEWLY ADDED QUESTIONS (ANSWERS ARE IN BOLD LETTERS) 1. A disease is (a) medical condition (b) pathogenic forms (c) alteration in the host function (d)microbial incidence 2. micro-organisms can only be observed with the aid of (a)electroscope (b)telescope (c) microscope (d) horoscope 3. All of the following are not true of pathogens except (a) are only bacteria (b) live exclusively within the body (c)are detrimental to their host (d) all of the above 4. host specificity means (a) microflora (b) different hosts have different range of micro-organisms (c) ubiquitous (d) options A and b PLATO – 08060948531 5. To elicit disease condition, microbes must first (a)adhere (b) establish contact (c)invade (d) all of the above 6. Which of the following is an example of a microbe causing a sexually transmitted disease (a) Nissesia gonorrea (b) Nisseria gonorrhea (c) Nisseria gonorrea (d) Nissesia gonorrhea 7. Micro-organisms exist as (a) single cell, (b) cell clusters (c) single cells or cell clusters (d)none of the above 8. Microbial activities include (a) Reduction of host immune response (b) Confiscation of host tissue (c) options A and b are correct (d) none of the above 9. Reservoirs are (a) human, domestic and wild animals but not water (b) water, soil, human and domestic animals but not wild animals (c) water, human and wild animals but not soil (d) none of the above 10. Micro-organisms bring about the sustenance of all ecosystems through (a) ubiquitous nature (b) interaction between living and non-living components (c) synthesis and degradation of cells (d) all of the above 11. Zoonotic diseases are (a) contractible by animals from other animals (b) contractible by humans from humans (c) contractible by humans from other animals (d) contractible by animal from humans 12. Successful transmission ensure (a) movement across reservoirs (b) establishment of progenies (c)disease outbreak (d) all of the above 13. Microbial activities are aimed at (a)increasing food acquisition (b) avoidance of the host's defence actions (c) improving their survival chances (d) all of the above 14. The transmission of infection by contaminated food and water with faeces is by what route (a) Oral-faecal (b) Respiratory (c) Direct contact (d) sexual intercourse 15. sputum is associated with which of the following route of transmission (a) Inoculation through the skin (b)sneezing (c) Respiratory (d)none of the above 16. Which of the following set best represent microbial groups (a) bacteria and protozooans (b) bacteria, fungi and viruses (c) bacteria and viruses (d) bacteria, fungi, viruses and protozooans 17. polio is caused by (a)paramyxovirus (b)none of the options (c)picornavirus (d)all of the above PLATO – 08060948531 18. ______ is prevented when you avoid mosquito bite (a)polio (b)yellow fever (c)common cold (d)measles 19. Microbes get access into the host through (a) skin lacerations (b) obscured spaces (c) producing chemical enzymes that break host barrier (d) all of the above 20. measles affect (a)skin and blood (b)skin and nervous system (c)intestine and blood (d)skin and intestine 21. The major nutrients are measured in A. Milligram B. Microgram C. Grams D. None of the above. 22. The water-soluble vitamins are vitamins A. B and C B. B and A C. A,C,D,K D. A, D, and K 23. Which of these vitamins are fat soluble? A. D and B B. B and C C. A,C,D,K D.A,D,E,K 24. Which of these nutrients are often referred to as protectors? A. Proteins B. Vitamins and mineral salts C. Carbohydrates and Fats D. Dietary Fibre and Water 25. Water and dietary fibre (roughage) are called A. Body Builders B. Protectors C. Energizers D. Cleansers and regulators. 26. The primary functions of proteins are B. Providing energy C. A and B PLATO – 08060948531 D. Protecting the body against diseases 27. The best sources of Vitamin A are A. Milk and liver B. Leafy green, yellow vegetables, yellow fruits C. Yam D. A and B 28. The nutrient that has a faint yeast-like odour, salt nut-like taste is A. Iron B. Thiamin C. Calcium D. Vitamin C 29. What is the main function of Thiamin? B. The formation of haemoglobin C. The building of strong bones and teeth D. None of the above 30. Severe deficiency of thiamin results in the disease called A. Night-blindness B. Scurvy C. Pellagra D. Beri-beri 31.A neurologic disorder called Wernicke-Korsakoff is associated with a deficiency of A. Iron B. Vitamin A C. Thiamin D. Niacin 32. Another name for Calciferol is A. Vitamin D2 B. Vitamin D3 C. Vitamin B D. Vitamin B2 33. Vitamin C is easily destroyed by A. Heat and light B. Alkalis and oxidative enzymes PLATO – 08060948531 C. Traces of copper and iron D. All of the above 34. Ergosterol is converted to Vitamin D2 when the individual’s skin is exposed to B. Electric light C. A and B D. None of the above 35. The two common forms of Vitamin D are A. Calciferol and retinol B. Calciferol and cholechalciferol C. Cholechalciferol and retinol D. Retinol and carotene 36. Rickets is a deficiency disease of Vitamin D found in A. The aged B. Adults C. Adolescents D. Children 37. The deficiency disease of Vitamin D found in adults is known as A. Scurvy B. Rickets C. Osteomalacia D. Osteoporosis 38. Ascorbic Acid refers to A. Vitamin B B. Vitamin D C. Vitamin E D. Vitamin C 39. One of these foods provide Vitamin D A. Beans B. Meat C. Fish-liver oil D. Green vegetables 40. The only nutrient that contains nitrogen is A. Carbohydrates PLATO – 08060948531 B. Proteins C. Fat D. Vitamins 41. Antigen are surface biomarker of …..? (a) Red blood cell (b) White blood cell (c) Antibody (d) Antigen and Antibody (e) All of the above 42. Blood group is a characteristics of human? (a) White blood cell (b) Antibody (c) Antigen (d) Red Blood cell (e) DNA base and sugar 43. Adenine usually bind to thymine in human DNA with how many bond? (a) 4 (b) 2 (c) 5(d) 1 (e) 10 44. Guanine and Adenine are family of pyrimidines while Cytosine and thymine belongs to the family of purines (a) True (b) False (c) None of the above (e) All of the above 45. Karl Landsteiner is from Australia and Nobel prized IN 1930 for his research on Rhesus factor matching (a) True (b) False (c) a and b (d) None of the above (e) All of the above 46. An Austrian who established the ABO blood group system of classification in 1930 is Dr. Weiner (a) True (b) False (c) a and b (d) All of the above (e) None of the above 47. 1937 is a year hallmark with the establishment of …...... (a) Rhesus factor blood group classification (b) ABO blood group classification (c) Both ABO and Rhesus factor classification (d) Antibody blood group system of classification (e) Antigen system of blood classification 48. Haemolytic aneamia is characterized to be a disease caused by …..(a) Damaged to the enzymes component of the blood (b) Damaged to the plasma components of the blood (c) Damaged to Heamoglobin of the blood (d) Damaged to the first trimester of the red blood cell (e) damaged to the blastomere of the blood 49. The use of DNA finger printing test in Crime detection, simply usurp the principles of? (a) DNA base Sequence and Base colour (b) DNA base sequence and Base mass (c) DNA Base sequences and Base Length (d) DNA base sequence and base texture (e) none of the above 50. The underlying similarities in DNA of all human species are? (a) The similarities in the antigen composition (b) The similarities in the antibody composition (c) The similarities in base pair and sugar PLATO – 08060948531 composition of DNA (d) The similarities in the sugar components only but differences in base composition (e) none of the above 51. The underlying variation of human blood group is …. (a) Differences in DNA base length and Sequences (b) Similarities in DNA base Sequences and length (c) Differences in DNA base mass and Length (d) none of the above (e) Differences in base length and texture DNA fingerprinting is a laboratory procedure that requires how many step? (a) 4 (b) 3 (c) 6 (d) 9 (e) none of the above 52. The following are the various steps involved in the isolation of DNA except? (a) Isolation of DNA (b) Cutting, sizing and sorting (c) Transfer of DNA to nylon (d) Probing (e) DNases and RNase 53. Cutting, sizing and sorting required a jelly-like product made from seaweed called? (a) Silica gel (b) Agarose gel (c) Plain gel (d) Animal gel (e) DNA gel 54. The DNA fingerprint processes, that is built by using several probes simultaneously is termed? (a) DNA finger printing processing (b) DNA probing processing (c) DNA fragment processing (d) DNA cutting processing (e) none of the above 55. Which steps of the DNA fingerprinting procedure require transfer of DNA pieces to a nylon sheet? which is then soaked overnight? (a) Isolation of DNA (b) Probing (c) Transfer of DNA to nylon (d) probing (e) DNA pieces to nylon 56. Rhesus factor can be? (a) Rhesus –ve (b) Rhesus +ve (c) a and b (d) Rhesus 0(e) Rhesus +0 57. The primary method for Identifying and distinguishing among individual human being are, except? (a) DNA Finger printing (b) blood group testing (c) DNA base pair (d) DNA base sequences (e)DNA 58. The knowledge of DNA sequences and blood groups can prove useful in the identification project of? (a) Fertilization and Zygote formation (b) Blastomere formation (c) Paternity testing ,Corpse Identification, criminal detection, Blood transfusion and tissue transplant (d) Heamoglobin synthesis, formation and degradation (e) None of the above PLATO – 08060948531 59. Karl Landsterner and Weiner discovered the ABO blood group system of classification in 1930? (a)True (b) False (c) a and b (d) None of the above (e) All of the above 60. The following are ascribed to the philosophy of Mathematics EXCEPT A Relationship between logic and Mathematics B Relationship between Abstract world and material universe C Relationship between atom and indivisibility nature D Mathematical object and character 62. The mysteries of the Bamuda Triangle, Heat Waves and Unidentified flying Object can best be solved by applying the A Philosophy of Chemistry B Philosophy of Mathematics C Philosophy of Physics D Philosophy of Psychology 63.Mentalism, behaviourism or compromise are methodologies associated with A Philosophy of Chemistry B Philosophy of Mathematics C Philosophy of Physics D Philosophy of Psychology 64. The prediction of cosmotology, nature of space, quantum mechanics and foundation of causality are concept addressed under the A Philosophy of Chemistry B Philosophy of Mathematics C Philosophy of Physics D Philosophy of Psychology 65. The concept of seedless oranges and oversized peanuts are metaphysics already well explicated by the A Philosophy of Chemistry PLATO – 08060948531 B Philosophy of Biology C Philosophy of Physics D Philosophy of Psychology 66. Posteriori is a A Latin word meaning from the earlier B Latin word meaning from the later C Greek word meaning from the earlier D Greek word meaning from the earlier 67. Epistemology emanated from greek word which could implies the following EXCEPT A Logical discourse B Nature of Knowledge C Rationality of believe D Moral behaviour 68. The three core areas of Philosophical method include the following EXCEPT A Nature of reality B Moral principle C Acquired knowledge D Philosophical syndrome 69. The philosophical method which involves a trained Scientist and a philosopher is A The Pedestrian method B The Critical method C The Original Philosophical method D The Emperist method PLATO – 08060948531 70. The three cardinal aims of Science include the following EXCEPT A Prediction B Control C Connivance D Explanation 71. The three main kinds of objection to the Deductive Nomology Account include the following EXCPET A Overemphasis the requirement that every explanation cites a law without appropriate boundary condition B Inability to account for judgement f explanatory relevance C Insufficient attention to the explanatory role of causal relations D None of the above 72. The Scientific Explanation Model that obeys one law and negate the other is known as A DN model B IS model C SR model D CM model 73. Which of the Scientific Explanation Model is a comparative model? A DN model B IS model C SR model D CM model 74. If factor A is responsible for event E, then the probability of E happening in the absence of A is low. This is an example of A DN model PLATO – 08060948531 B IS model C SR model D CM model 75. The features of empirical verification of the validity of a scientific explanation involves the following EXCEPT that it should be A Repeatable B Specific C Describable to an extent D Not necessarily supported by a law 76. Which of the following statement is true A Induction allows Scientists to formulate a specific truth from a general truth B Deduction allows Scientists to formulate a general truth from specific truth C Induction allows Scientists to formulate a specific truth from a no truth D Deduction allows Scientists to formulate a specific truth from a general truth 77. A Philosopher is best described as A Empirist B Abuser C Conformist D Criticizer 78. The words “Scientia” and “Sophie” are A Greek words meaning knowledge and wisdom respectively B Latin words meaning knowledge and wisdom respectively C Greek and Latin words meaning knowledge and wisdom respectively D Latin and Greek words meaning knowledge and wisdom respectively 79. In science, a decision which is based on what is seen is referred to as PLATO – 08060948531 A Law B Observation C Theory D Hypothesis 80. The body of empirical, theoretical and practical cognition about the natural world is otherwise referred to as A Philosophie B Scientia C Chemistry D Epistemology 81. With respect to Geomorphology, the word Geo simply means-------- (a) shape (b) setting (c) Oceans (d) Earth.One of these is not the meaning of the word “Morpho”. (a) Shape (b) area (c) setting (d) arrangement. 82. The scientific discipline concerned with the surface and features of the earth is termed----- (a) Volcanism (b) weathering (c) erosion (d) geomorphology. 83. The term used to describe the movement of hot magma from the magma chamber deep beneath the earth to the surface of the earth through a vent is called----- (a) weathering (b) geomorphology (c) volcanism (d) bathymetry. 84. The landforms created due to escape of magma from the earth’s interior through a vent is called-----(a)volcanism (b)volcanoes (c)erosion (d)weathering. 85. The type of rock that is formed due to cooling down of molten magma during an eruption is called----- (a) metasedimentary rock (b) sedimentary rock (c) volcanic rock (d) metamorphic rock. PLATO – 08060948531 86. The type of volcano that is either currently erupting or has erupted recently is called------ (a) dormant volcano (b) extinct volcano (c) active volcano (d) igneous volcano. 87. The type of volcano that has not erupted recently but is considered likely to do so in the future is called------ (a) dormant volcano (b) active volcano (c) extinct volcano (d) igneous volcano. 88. The type of volcano that has not erupted for a very long time and is considered unlikely to do so in the future is called----------- (a) active volcano (b) extinct volcano (c) dormant volcano (d) igneous volcano. 89. One of these is not an effect of volcanism on the earth surface (a) it leads to air pollution (b) it can result to volcanic earthquake (c) it disarranges the earth’s landforms (d) it aids in water exploration. 90. The processes that change the physical and chemical characteristics of rock at or near the surface of the earth are termed------ (a) erosion (b) weathering (c) volcanism (d) bathymetry. 91. The type of weathering that affect only the physical nature of the rock with little or no chemical change in the chemical composition of the rock is called------ (a) chemical weathering (b) mechanical weathering (c) erosional weathering (d) biological weathering. 92. The decomposition of the rock due to its exposure to active water and atmospheric gases is termed--- (a) biological weathering (b) physical weathering (c) mechanical weathering (d) chemical weathering. 93. One of these gases is not a contributor to the chemical weathering of the rock. (a) Carbon dioxide (b) oxygen (c) water vapour (d) methane gas. PLATO – 08060948531 94. What type of weathering affects both the physical nature of the rock and the chemical composition of the rock? (a) Biological weathering (b) physical weathering (c) mechanical weathering (d) chemical weathering. 95. The type of weathering that involves the actions of microorganisms and plant roots to further disintegrate the rock into smaller sizes is called---- (a) physical weathering (b) mechanical weathering (c) biological weathering (d) chemical weathering. 96. One of these is not a factor that controls rock weathering (a) climate (b) topography (c) time (d) volcanism. 97. The removal of weathered rock materials downslope and away from their original site of weathering is termed (a) transportation (b) volcanism (c) erosion (d) landslides. 98. One of these is not a factor that controls the magnitude of erosion (a) climate (b) geology (c) topography (d) volcanism. 99. Natural slopes that are controlled by gravity are known as (a) erosion (b) landslides (c) volcanism (d) weathering. 100. For there to be an improvement in food and nutrition security situation of a country, some theses issues must be addressed by the national governments except: a. None of the above b. Adequate access to sufficient quantities of food items c. Provision of clean water d. Adequate sanitation and effective health services PLATO – 08060948531 101. The issue of must be addressed as a close link between improved child nutrition and the extent to which women participate in making economic decisions within their households. a. Food access b. Transportation system c. Budgetary allocation d. Gender equity 102. has been shown to be the most effective way to improve food and nutrition security of a country. a. Locally conceived and implemented action b. Food handling systems c. Gender equity d. Budgetary allocation 103. To enhance food security in Nigeria, the federal governments must ensure that reflect the central importance that food and nutrition security have for the welfare of all people. a. Food handling systems b. Workers salary c. Budgetary allocations d. Food service systems 104. Which of these factors cannot lead to improved food and nutrition security situation of a country? a. Access to portable water b. Adequate sanitation practices c. Access to international trades d. None of the above 105. Which of these factors can lead to improved food and nutrition security situation in Nigeria? a. Improved food preservation systems b. Adequate sanitation and health services c. Good road network and transportation systems d. All of the above PLATO – 08060948531 106. is an effective ways to inform policymakers at all levels of the critical role that improved nutrition plays in development of a country and poverty alleviation. a. Dedicated advocacy b. Petitioning c. Confrontational approach d. Any of the above 107. Which of these factors can lead to improved food and nutrition security situation of a country? a. Access to portable water b. Adequate sanitation practices c. None of the above d. All of the above 108. Which of the following is not primary reason for improved education for the chain of food handlers? a. Create awareness on agents of food spoilage and how it occurs b. Reduction of the cost of procurement of food products c. Enhanced nutritional security and food productivity for economic growth. d. Ensured nutritionally balanced and hygienically prepared food. 109. is the root problem of inadequate access to food commodities in Nigeria and Africa at large. a. Poverty b. Illiteracy c. Corruption d. Any of the above 110. has been identified as the principal cause of increasing and accelerated migration from rural to urban areas in developing countries. b. Electricity supply b. All of the above PLATO – 08060948531 c. Food insecurity d. Food production 111. The daily recommended allowance for protein intake is between crude protein per day out of which 35g must be from animal products. a. 75 to 96g b. 46 to 66g c. 65 to 86g d. 56 to 76g 112. Which of the following is not an aspect to consider in food security? a. Availability of foodstuff. b. None of the above c. Stability of supplies over time and space. d. Daily Recommended Allowance 113. According to Lapedes (1977), which of the following statement truly described food? a. It is the material that enables man to grow and reproduce himself b. It is the material that enables fullness of the stomach and growth c. It is chemical mixtures that enables growth d. None of the above 114. Which of the following combinations best describe major constituents of food? a. Water, protein, carbohydrates and fats b. Protein, carbohydrates and fats c. Water, protein, carbohydrates, fats, vitamins and minerals. d. Water, Protein, carbohydrates, fats and minerals. 115. The following are components of the structure of science except (a) Products (b) Processes (c) Ideas (d) Ethics 116. A scientifically literate person should possess the following except. (a) A body of scientific knowledge (b) Be indifferent about situations around him/her (c) A set of scientific skills (d) Behave scientifically in his/her day to day activities. PLATO – 08060948531 117. The meaning attached to a given symbol or label is called (a) Fact (b) Model (c) Phenomena (d) Concept 118. The products of science include the following except (a) Experiment (b) Law (c) Theory (d) Fact 119. A brief statement or mathematical formula predicting interrelationships among concepts is referred to as (a) Concept (b) Fact (c) Law (d) Theory 120. The methods and skills that scientists employ in their work include (a) observing (b) measuring (c) classifying (d) All of the above 121. The processes of science include (a) Inferring (b) Predicting (c) Communicating (d) All of the above 122. The grouping or ordering of phenomena according to a parameter or scheme that is established for that purpose is called (a) Inferring (b) Predicting (c) Classifying (d) Observing 123. The processes of science include the following except (a) Concept (b) Experimenting (c) Making operational definition (d) Formulating concepts and hypothesis 124. Interpreting data requires the application of the following basic process skills except (a) Inferring (b) Experimenting (c) Predicting (d) Classifying 125. The formulation of hypothesis depends directly on (a) Questions (b) Inferences (c) Predictions (d) All of the above 126. Scientists possess the following ethical attributes except (a) Curiosity (b) Prejudice (c) Open-mindedness (d) Positive approach to failure 127. A scientifically literate person should show the following attributes in his/her behavior except (a) Objectivity (b) Respect for the ideas of others (c) Willingness to suspend judgement (d) Believe in superstition 128. The spontaneous desire on the part of the scientists to explore the environment and to learn about its phenomena is part of (a) Products of PLATO – 08060948531 science (b) Processes of science (c) Ethics of science (d) None of the above 129. The knowledge of the structure of science will enable the students to (a) know how they can become scientifically literate persons (b) know the components of their discipline (c) relate to the discipline in a conscious manner (d) All of the above 130. The values of the knowledge of the structure of science to science teachers include the following except (a) Enhancing proper understanding of the subject (b) Reducing job tasks (c) Proper organization of science content for instruction (d) Enhancing the evaluation of student learning outcome 131. Concepts by definition are referred to as (a) Empirical concepts (b) Molecular concepts (c) Behavioral concepts (d) Theoretical concepts 132. Concrete and obvious concepts are referred to as (a) Molecular concepts (b) Empirical concepts (c) Behavioural concepts (d) None of the above 133. Concepts that cannot exist on their own but depend on two or more concepts are referred to as (a) Empirical concepts (b) Molecular concepts (c) Relational concepts (d) Theoretical concepts 134. Examples of theoretical concepts include the following except (a) Molecule (b) Absolute zero (c) Gene (d) Pulley 135. Two things only exist in the world. They are: A. plants and animals B. living and non-living things C. space and matter D. atom and molecule 136. Which of these is not a property of Living matter? PLATO – 08060948531 A. respiration B. reproduction C. growth D. Indivisibility 137. The non-living entity of matter can exhibit growth A. No B. Yes C. Yes, if there is addition of compatible matter D. Never 138. The word Kinetic stands for…………… A. Metabolism B. Respiration C. Motion D. Growth 139. Which one of these arrangements is correct order of scientific methods of developing concept of matter? A. Hypothesis, Law and Theory B. Theory, Hypothesis and Law C. Theory, Hypothesis and Law D. Hypothesis, Theory and Law 140. Which of the three states of matter has definite volume and definite shape? PLATO – 08060948531 A. Solid B. Plasma C. Liquid D. Gas 141. The escape of molecules with more than average kinetic energy of the molecules is called…… A. Melting B. Evaporation C. Freezing D. Condensation 142. Evaporation takes place at all temperature A. Yes B. No 143. The smallest particle of an element which takes part in a chemical reaction is………………. A. Matter B. Molecule C. Monoatomic D. Atom 144. A solution of salt and water is an example of PLATO – 08060948531 A. Heterogeneous mixture B. Homogeneous mixture C. Homolytic mixture D. Heterolytic mixture 145. A mixture of ethanol and water is a………………………. mixture and can be separated by…………….. A. homogeneous and decantation B. homogeneous and distillation C. heterogeneous and evaporation D. heterogeneous and fractional distillation 146. Which one of these is individual statement of idea that is testable? A. Proposition B. Hypothesis C. Law D. A scientific Law 147. Which one of these is NOT correct? I. An element has only one type of atom II. An element has more than one type of atom bonded together III. A compound has more than one types of atom bonded together chemically IV. A mixture is made up of more than one elements or compound with a chemical bond A. II and IV only PLATO – 08060948531 B. I, II and III only C. I and IV D. I, II, III and IV 148. Which of these is correct? A. Mixture of Water and ethanol: Heterogeneous B. Mixture of Water and Oil: Heterogeneous C. Mixture of Sodium chloride and water: Heterogeneous D. Air mixture: Heterogeneous 149. A 200 level student of department of Linguistic found a mixture of water and kerosene in a stove, What type of mixture was that and which of these methods will give him good recovery of kerosene? A. Physical mixture and Boiling B. Heterogeneous mixture and Separating funnel C. Homogenous mixture and Decantation D. Miscible mixture and Distillation 150. Which of these pairs of element and physical state is correct? A. Copper: Liquid B. Neon: Solid C. Mercury: Liquid D. Sodium: Gas PLATO – 08060948531 151. A mixture that is homogeneous is………………… A. Visually not uniform B. Non- uniform throughout C. Visually Pure D. Visually inseparable 152. Which one of these has more than one types of atom of element? A. Nitrogen B. Carbon (IV) oxide C. Calcium D. Hydrogen 153. Which one of these factors will its changes result in change of state of matter? I. Temperature II. Volume III. Pressure IV. Heat A. I only B. I and IV C. II and III D. IV only 154. What is Z in the equation? 23892U A. Gamma 23490Th +Z PLATO – 08060948531 B. Beta C. Alpha D. Neutron 155. a. b. c. d. What is source of chlorofluorocarbons except? Aerosol sprays foams Exhaust fumes of motor vehicles Incomplete burning of wood Both A and B 156. What is source of chlorofluorocarbons? a. Aerosol sprays foams b. Exhaust fumes of motor vehicles c. Incomplete burning of wood d. Both A and B 157. What is source of carbon monoxide? a. Incomplete burning of wood b. Fuels c. Exhaust fumes of motor vehicles d. All of these 158. What is source of sulphur dioxide? a. Powerstations and industries using fossil fuels b. Exhaust fumes of motor vehicles c. Incomplete burning of wood d. None of these 159. What is the harm from the depletion of Earth's ozone layer a. The average temperature of earth's surface will increase gradually b. The oxygen content of the atmosphere will decrease c. Increased amount of Ultra violet radiation will reach earth's surfaced. d. Sea levels will rise as the polar ice caps will gradually melt PLATO – 08060948531 160. Acid rain is formed due to contribution from the following pair of gases a. Methane and ozone b. Oxygen and nitrous oxide c. methane and sulphur dioxide d. Carbon dioxide and sulphur dioxide 161. Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone? a. Damage to digestive system b. Increased liver cancer c. Neurological disorder d. Increased skin cancer 162. The concentration of which gas is highest in our environment? a. b. c. d. Oxygen Hydrogen Nitrogen Carbon dioxide 163. Which of the following is not as a consequence of global warming? a. b. c. d. rising sea level increased agricultural productivity worldwide worsening health effects increased storm frequency and intensity 164. The depletion in the Ozone layer is caused by a. b. c. d. nitrous oxide. carbon dioxide. chlorofluorocarbons. methane. 165. Which of the following is not a primary contributor to the greenhouse effect? a. carbon dioxide PLATO – 08060948531 b. carbon monoxide c. chlorofluorocarbons d. methane gas 166. What can you do to reduce air pollution? a. Take more public transport b. Use low sulphur content fuel c. Recycling d. All of the above 167. Upset caused in natural balance of concentration of greenhouse gases is called a. b. c. d. pollution global warming atmospheric poisoning earth heating 168. The principal source of volatile organics is a. b. c. d. Transportation Industrial processes fuel combustion volcanoes 169. Which two main gases are produced when you burn a piece of wood? a. b. c. d. Oxygen and nitrogen Carbon dioxide and oxygen Carbon dioxide and carbon monoxide None of these 170. Atmosphere is divided in to a. 2 layers b. 3 layers c. 1 layer d. 4 layers 171. Percentage of oxygen in air is PLATO – 08060948531 a. b. c. d. 78% 21% 0.93% 0.04% 172. Percentage of nitrogen in air is a. b. c. d. 78% 21% 0.93% 0.04% 173. Maximum amount of ozone (O3) is present in a. b. c. d. troposphere stratosphere mesosphere thermosphere 174. Atmospheric layer closest to earth's surface is a. b. c. d. troposphere mesosphere stratosphere thermosphere 175. Ozone (O?) comprises of a. one oxygen atom b. 2 oxygen atoms c. 3 oxygen atoms d. 4 oxygen atoms 176. Fasting and psychotherapy are both forms of a. Traditional medicine b. Herbal medicine c. Spiritual therapy d. Medicinal herbs 177. The method of using local plants to cure mental or physical imbalances iscalled a. Traditional medicine PLATO – 08060948531 b. Herbal therapy c. Traditional treatments d. None of the above 178. Phytochemicals can be found in a. Animals b. Plants c. Oceans d. Fungi 179. Traditional herbs can also be used for surgical dressings a. True b. False 180. Carica papaya can be used to treat a. Erectile dysfunction b. Mild convulsion c. Headache d. Coughs 181. Bambusa vulgaris can be used to treat a. Respiratory diseases b. Mental sickness c. Coughs d. Septic boil Ocimum gratissimum is called-------------- in English 182. language a. Bitter leaf b. Tea bush c. Sweet leaf d. Sour leaf 183. The English name for Bambusa vulgaris is a. Vulgar bush plant b. Bamboo c. Sugarcane d. Stem plant 184. Medicinal herbs can also be used as a. Food b. Antipyretic PLATO – 08060948531 c. Antimalaria d. All of the above 185. Pawpaw leaves can be used to treat a. Gonorrhoea b. Syphilis c. All of the above d. None of the above 186. Chewing of medicinal herbs for treatment is also practiced a. True b. False c. All plants that can be used as food by wild animals can be 187. consumed by humans a. False b. True 188. Proper identification of plants is not necessary in the use of traditional herbs a. False b. True c. Some of the time 189. --------------- is one of the challenges in the usage of traditional herbs a. Misidentification of herbs b. Lack of Plant collection kits c. Presence of big forests d. All of the above 190. ------------------- can be used as a traditional herb a. Baby powder b. Vaseline c. Ginger d. Paracetamol 191. ------------------ can be used to improve the usage of medicinal herbs a. Tissue culture b. Agrobacterium tumafasciens c. Botanical gardens d. All of the above PLATO – 08060948531 192. The use of medicinal herbs and orthodox medicine are complementary a. True b. False 193. It is a --------- that traditional herbs are very effective a. Myth b. Fallacy c. Fact d. None of the above 194. Medicinal herbs can involve the killing of animals a. True b. False c. None of the above 195. Use of traditional plants by infusion involves a. applying the whole plant b. Extracting the active components by steeping in water c. Fusion of the plant with another d. All of the above 196. After energy conversions, you end up with the same total amount of energy as the original amount of potential energy. Which law explains this rule? a. law of energy changes c. law of power and energy b. law of conservation of d. law of potential energy energy 197. You turn on a lamp and the light bulb becomes warm. Which energy conversion causes this heating of the light bulb? a. thermal energy to electrical c. electrical energy energy thermal energy b. light energy to thermal energy d. electrical energy to energy to light 198. Which law states that energy cannot be created or destroyed? a law of conservation of c. law of changing energy power PLATO – 08060948531 b law of conservation d law of energy changes of energy 199. Identify the non-renewable energy resource from the following: (a) Coal (b) Solar energy (c) Wind energy (d) Tidal energy 200. Which of the following is a disadvantage of most of the renewable energy sources? (a) Highly polluting (b) High waste disposal cost (c) Unreliable supply (d) High running cost 201. Photovoltaic energy is the conversion of sunlight into: (a) Chemical energy (b) Biogas (c) Electricity (d) Geothermal energy 202. Which among the following is not an adverse environmental impact of tidal power generation? (a) Interference with spawing and migration of fish (b) Pollution and health hazard in the estuary due to blockage of flow of polluted water into the sea (c) Navigational hazard (d) None of the above PLATO – 08060948531 203. Both power and manure is provided by: (a) Nuclear plants (b) Thermal plants (c) Biogas plants (d) Hydroelectric plant 204. Common energy source in Nigeria is: (a) Electricity (b) Coal (c) Sun (d) Wind 205. The one thing that is common to all fossil fuels is that they: (a) Were originally formed in marine environment (b) Contain carbon (c) Have undergone the same set of geological processes during their formation (d) Represent the remains of one living organisms 206. Most of the energy used for lighting such as bulbs, tube lights etc. is converted to: (a) Light energy (b) Sound energy (c) Heat energy (d) Electrical energy PLATO – 08060948531 207. The potential energy of a freely falling object decreases continuously. What happens to the loss of potential energy? a) It is continuously converted into sound energy (b) It is continuously converted into kinetic energy (c) It is continuously converted into electric energy (d) None of the above 208. Geothermal energy is clean and efficient because: (a) It requires lots of fossil fuels (b) The heat energy from the sun is always available to us. (c) It isn’t clean or efficient (d) It doesn’t pollute the environment. 209. Which is NOT an example of renewable energy? (a) Solar panels (b) Wind turbines (c) Natural Gas (d) Geothermal 210. Wind turbines, solar panels, and geothermal are examples of “renewable” energy because: (a) Because they do not work together. (b) Energy from the wind, sun, or ground does not run out. (c) You have to “renew” it, because it gets old (d) None of the above 211. “Geothermal” means: a. “Geo” means “Fossil” and “Thermal” means “Fuel” PLATO – 08060948531 b. “Geo” means “Plants” and “Thermal” means “Oil” c. “Geo” means “Earth” and “Thermal” means “Heat” d. “Geo” means “Oil” and “Thermal” means “Drill” 212. Which of the following shows energy changes that takes place when a glowing a bulb using a battery? a) Chemical ‐> Electrical ‐> heat ‐> Light energy b) Electrical ‐> Chemical ‐> Light ‐> heat energy c) Chemical ‐> Electrical ‐> Heat energy d) Electrical ‐> Chemical ‐> Light energy 213. Which of the following is a nonrenewable energy resource? a) Sola b). Wind c). Fossil d). Geothermal 214. Whenever one form of energy is converted into another, some of the original energy is always converted into which type of energy? a. Light c. Kinetic b Thermal d. Sound 215. In a hair dryer, electrical energy is changed into which type of energy that is used to dry your hair? a. Light c. thermal b. Nuclear d. chemical SECTION C 1. The following are component of DNA except_______(a) guanine (b) cytosine (c) adenine (d) thymine (e) Amylopsin PLATO – 08060948531 2. 99% of all DNA in every human body are the same, the remaining 1% is unique to each individual (a) false (b) sometimes true (C) always true (d) true 3. Fossil fuels contain the same constituents _______and _______found in fresh biomass (a) oxygen and hydrogen (b) hydrogen and nitrogen (c) zinc and iron (d) Hydrogen and Carbon 4. ______ refers to all organic matter generated through photosynthesis and other biological processes (a) Fossils Fuels (b) successum (c) energy (d) biomass 5. Francis Bacon was a _______ (a) medical doctor (b) scientist (c) physician (d) lawyer 6. Biomass supplies _____ of the world’s primary energy consumption (a) 12% (b) 13% (c) 14% (d) 10% 7. _____ is the first scientist to employ modern scientific method fully in physics and astronomy (a) Albert Einstein (b) Rene Descartes (c) Isaac Newton (d) Galileo Galilei 8. Experimental methods of modern science started to have influence on scientific communities in _____ (a) 1550 (b) 1560 (c) 1570 (d) 1580 (e) 1590 9. The title of the book ”Organon” was written by ____ (a) Plato (b) Socrates (c) Harvey (d) Aristotle 10. The scientific study of Birds is called ______ (a) Horology (b) Orology (c) Ornithology (d) Muscology 11. The following except ONE is a not a method used to render science accessible to people (a) Pedestrian method (b) Critical method (c) Analytical method (d) Philosophical method 12. The behavior of matter can be explained by understanding its state or _______ (a) Paternal behavior (b) Modular behavior (c) Maternal behavior (d) Motional behavior 13. A neutral atom always has equal number of protons and electrons since the neutron has no charge (a) True (b) False (c) Partly true (d) Sometimes true 14. ________ reaction occurs when proceed of one reaction leads to another with both source and product initiating the next reaction and resulting in an avalanche (a) Nuclear (b) Chain (c) Epileptic (d) Cross PLATO – 08060948531 15. The following except one is not a source of renewable energy (a) Geothermal Energy (b) Hydropower (c) Wind energy (d) Biomass (e) Chain energy 16. Solar heating is good in all of the following countries except (a) Australia (b) USA (c) Cuba (d) California 17. The following are morphological features of the ocean floor except (a) Med oceanic ridge (b) The seamounts (c) The Guyots (d) The climbers 18. The longest river in the world is the ______ (a) Amazon (b) Nile (c) Yante (d) Mississippi Missouri 19. ______ is the term used to describe the movement of hot magma from a point of generation to the surface through vents (a) collision (b) cracks (c) geotropism (d) Volcanism 20. The composition of magma depends on the following factors except? (a) degree of partial melting of the crust (b) degree of molten magma rust (c) degree of magma mixing (d) magmatic differentiation by fractional crystallization 21. ______ concepts are concepts that are abstract and are observable (a) pure (b)theoretical (c) empirical (d) practical 22. Concepts that cannot exist on their own are called ______ (a) abstract (b) conceptual (c) practical (d) none of the above 23. _____laws refers to concept and provides explanation besides prediction (a) Relational (b) Empirical (c) Theoretical (d) Practical 24. Science is all of the following except (a) Noun (b) Pronoun (c) Verb (d) Adjective 25. Science is derived from a _______ word (a) Latin (b) Greek (c) Hebrew (d) German 26. Science can be defined through the following except _____ (a) motives (b) products (c) process (d) produce 27. Science ends with credible concepts in form of theoretical, empirical and _______ constructs (a) false (b) valid (c) reliable (d) rational 28. The century of the Scientific Revolution or Society is the ________ (a) 15th (b) 16th (c)17th (d)18th (e) none of the above 29. ‘’Novum Organum” was written by ________ (a) Aristotle (b) Plato (c) Williams Harvey (d) Francis Bacon PLATO – 08060948531 30. Royal Society of London was formed in ______ (a)1560 (b)1660 (c)1760 (d) 1860 31. The milky way is made up of ______ stars (a)6 (b)7 (C) 10 (d) many 32. _________ is the father of physiology (a) Thomas Harvey (b) Rene Descartes (c) Williams Harvey (d) Galiles Galilei 33. _______ work explained the motion of the planets around the sun (a) Johannes Kepler (b) Williams Harvey (c) Albert Einstein (d) Bacon 34. The first thermometer was invented (a) Kepler (b) Galilei (c) Williams Garvey (d) Isaac Newton 35. Isaac Newton discovered the following except_________ (a) calculus (b) Reflecting telescope (c) Law of motion (d) Law of inertia 36. The direct derivation of science means _______ (a) expertise (b) product (c) process (d) knowledge 37. About 118 elements exist in nature and are arranged into ______ periods of the periodic table (a) 7 (b) 8 (c) 9 (d) 10 38. A_________ has more than one type of atom bonded together chemically which can only be separated by a chemical process. (a) Mixture (b) compound (c) elements (d) gas 39. A__________ is made up of more than one element that requires no chemical process for separation. (a) compound (b) atom (c) mixture (d) elements. 40. The following except one does not explain the kinetic theory of matter (a) particles of solids only vibrate and rotate about a mean position (b) particles of liquids vibrate and rotate about a mean position and easily slide over each other (c) particles of gas move randomly and are translated from one place to another (d) particles of gas folds intermittently 41. The first scientist to deal with circulation of blood (a) Alexandra Fleming (b) Einstein (c) Williams Harvey (d) Isaac Newton 42. Matter does not exist in _______ (a) solid (b) liquid (c) plasma (d) blood 43. A neutral atom always has _____ number of protons and electrons since the neutron has no charge (a) equal (b) divided (c) simple (d) compound PLATO – 08060948531 44. Atomic models were constructed by __________ (a) Einstein & Newton (b) Rutherford and Bohr (c) Smith and Faraday (d) Edison and Newton 45. The Hiroshima and Nagasaki bomb in Japan claimed how many lives (a) 110,000 (b) 120,000 (c) 130,000 (d) 150,000 46. When a war is becoming feasible, it is considered a threat, then if it eventually happen, it is __________ (a) missile (b) Bastition war (c) Cold war (d) Nuclear war 47. The United States of America congress passed the atomic energy act in _____ (a) 1945 (b) 1946 (c) 1947 (d) 1948 48. The non-conventional energy includes all of the following except (a) fossil fuel (b) solar (c) hydroelectric power (d) sun 49. Power is measured in ____ (a) ohms (b) ammeter (c) watt (d) forte 50. Fossil fuels include the following except (a) coal (b) oil (c)gas (d) crude gas 51. ____ gas is a natural gas originating from field producing both liquid and gaseous hydrocarbons simultaneously (a) artificial (b) fossil (c) associated (d) coal 52. Natural gas produces around ___ of the world’s comsumption (a) 10% (b) 20% (c) 30% (d) 40% 53. The highest peak of mount Toubkal is located in ____ (a) Tunisia (b) Morocco (c) Egypt (d) None of the above 54. The Kalahari Desert is located at ___ (a) Botswana (b) Zambia (c) Namibia (d) Kenya 55. The Sahara desert is located at ____ (a)Egypt (b) Italy (c) Morocco (d) Nigeria 56. The atomic energy act by the United State of America was passed by (a) 1944 (b) 1945 (c) 1946 (d) 1947 (e) 1948 57. ___ contributes 95% of the world’s total energy (a) coal (b) Gases (c) petrol (d) fossil fuels 58. ____ occurs when two light nuclei are fused together to form a heavier nucleus and energy is released (a) Nuclear fusion (b) Fusion (c) Nuclear energy (d) Nuclear position 59. The energy from heat inside the earth is called ___ (a) Thermal (b) Geothermal (c) Radiant (d) fossil PLATO – 08060948531 60. __ gas is a gas that absorbs and emits radiant energy within the thermal range (a) Thermal (b) Geothermal (c) Nitrogen (d) Greenhouse 61. Blood types refers to ___ (a) both AB and OB (b) AB and Rh factors (c) ABO and Rh factor (d) none of the above 62. Which of the following is not true of the blood group O (a) they can donate to a person (b) It contains antibodies (c) Contain antigen (d)Universal donors 63. Haemolytic disease of the newborn is called ___ (a) Erythromycis (b) Erythrombosis (c) Erythroblastosis (d) Enthritischomiasis 64. The following except one is not a use of blood groups (a) Organ transplants (b) Paternity testing (c) Transfusion (d) Forensic testing 65. DNA fingerprints testing came into use in the year _____ (a) 1920’s (b) 1930’s (c) 1940’s (d) 1950’s 66. Ocimumgratissimim is a botanical name for ___ (a) bitter leaf (b) plantain (c) tea bush (d) neem tea 67. Vernonia amygdalina is a botanical name for? (a) Bitter leaf (b) plantain (c) tea bush (d) neem tea 68. Herbal medications are administered through the following measures except ____ (a)orally (b)topically (c)inhaled (d)exhumed 69. The decomposition of wood at high temperature in the absence of air, the wood is converted into chemical is called ____ (a)biogasification (b)gasification (c)esterification (d)pyrolysis 70. The ABO blood group system was introduced in which year? (a)1901 (b)1902 (c)1903 (d)1904 71. The Rhesus system was introduced by Landstener and Wiener in ____ (a)1937 (b)1938 (c)1939 (d)1940 72. Chromolaena odoratum is a botanical name for ____ (a)siam weed (b)common bamboo (c)neem tree (d)black aphrodistic 73. 75% of the populace will prefer to solve their health problems with medicinal herbs (a)true (b)false (c)partly true (d)partly false 74. There is a school of thought in herbalism that “natural” means “safe” (a)true (b)false (c)partly true (d)partly false PLATO – 08060948531 75. Indiscriminate use of plants is not inimical to the health of consumers (a)true (b)false (c)neither true or false (d)none of the above 76. The role of lemon grass in the multi -herbal treatment of malaria is ___ (a)that it contains the active ingredients (b)it is a colorant (c)it is a flavoring agent (d)it increases urine excretion 77. A vitro method of plant regeneration widely used as an important biotechnological tool for sustained clonal propagation is ___ (a)somatic embryogenesis (b)somasogenesis (c)embryogenesis (d)organogenesis 78. Poisoning resulting from the practice of traditional medicine may be a consequence of the following except ____ (a)misidentification (b)dosage (c)inappropriate administration (d)recording 79. The inability of the male copulatory organ to return back to the original flaccid state is known medically as ____ (a)erection (b)arousal (c)erectile dysfunction (d)failure of detumescence 80. The three main gaseous elements which account for about 99% of the total atmosphere include the following except ___ (a)nitrogen (b)oxygen (c)argon (d)hydrogen 81. Major regions of the atmosphere are the following except ___ (a)thermosphere (b)mesosphere (c)stratosphere (d)exosphere (d)ozonesphere 82. Air pollution is based on three components except ___ (a)the source of pollutant (b)the transporting system (c)transporting fluid (d)receptor 83. The continent with the highest levels of air pollution in the world is ___ (a)Africa (b)Asia (c)Europe (d)North America 84. ___ is the most important antimicrobial compound in wood smoke (a)formaldehyde (b)aldehydes (c)methane acetyl (d)ethane acetyl 85. Canning as a method of food preservation was invented by Nicholas Appert in ___ (a)1809 (b)1800 (c)1900 (d)1901 86. The introduction of cooperatives in Nigeria in ____ by the colonial government marked the beginning of using cooperatives for the development of the agricultural sector of the Nigerian economy (a)1935 (b)1936 (c)1937 (d)1938 PLATO – 08060948531 87. The Modern-day cooperatives started by the ___ pioneers in 1844 (a)Rochdale (b)Rich-dad (c)Reach-key (d)Richdole 88. The majority of the deaths related to food insecurity are reported to occur in ___ (a)africa (b)sub-saharan Africa (c)asia (d)Europe 89. Nitrogen contains how many percent of normal composition of air (a)79% (b)20% (c)27% (d)1% 90. The following are levels of food treatment except ____ (a)radurisation (b)radicidation (c)radappertisation (d)raducization SECTION D The royal academy of science published their first journal in which year a) 1608 1618 b) c) 1638 d) 1668 What is the error commited when a wrong null hypothesis is accepted? a)Type error b)Type iii error c) Type ii error d)Type iv error What is the viral disease that attacks the bursa of Fibricius in birds? a)Fowl pox b)Coccidiosis c)Avian influenza d)Gumboro Which of the following adopted mathematical reasoning in the formulation of scientific method a) Rene Descartes b) Francis Bacon c) Archimedes d) William Harvey If choice a is selected set score to 2 The best method to preserve milk is through.............? a)Dehydration b)Blanching PLATO – 08060948531 c)Pasteurization d)Refridgeration If choice c is selected set score to 2. There are how many type of yeast? a) 3 1 b) c) 4 d) 2 If choice d is selected set score to 2. What is the major source of different relief characterizing the surface of Africa? a)Tectonic activity b)Erosion c)Deposition d)Tremor If choice a is selected set score to 2. The binomial theorem was put forward by which of the following scientist a) William Harvey b) Francis Bacon c) Rene Descartes d) Sir Isaac Newton If choice d is selected set score to 2 Who designed the stored program architecture? a)CharlesBabbage b)BlaisePascal c)VanSkendy d)VonNeuman If choice d is selected set score to 2. The study of the earth as well as the position and relationship of man with it,is known as ...? a)Sociology b)Geography c) Psychology d) Determinism. If choice b is selected set score to 2. Which country produces the largest ethanol fuel in the world? a) U.S.A b)Brazil c)European Union d)China If choice a is selected set score to 2. PLATO – 08060948531 A scientifically literate person should show the following attribute in his or her behavior except a) Objectivity b) Respect for the ideas of others c) Willingness to suspend judgement d) Believe in superstition If choice d is selected set score to 2 Galileo Galilee study which of the following planet a) Mars b) Jupiter c) Earth d) Pluto If choice b is selected set score to 2 The white light is made up of how many colours? a) 5 b) 6 c) 7 d) 8 If choice c is selected set score to 2 There are how many blood groups? a) 3 b) c) 5 4 d) 6 If choice a is selected set score to 2. Which of this disease is spread sexual contact? a)Pneumonia b)Tetanus c)Syphilis d)leprosy If choice c is selected set score to 2. Which of this disease is spread sexual contact? a)Pneumonia b)Tetanus c)Syphilis d)leprosy If choice c is selected set score to 2. The largest lake in Africa is...................? a)Chad PLATO – 08060948531 b)Victoria c)Tanganyika d)Limpopo If choice b is selected set score to 2. What is the chief advantage of free range system? a)Bird is less likely prone to disease b)Birds have wider choice of feed c)It is cheap to maintain d)Birds grows faster If choice c is selected set score to 2. Which of the following is not a HARDWARE? a)Magnetic Tapes b)Mouse c)Windows d)Flash drive If choice c is selected set score to 2. A giant undersea mountain range that extends around the globe like seams on a baseball is called............... a)Seamounts b)Mid oceanic ridge c)Inselberg d)Guyots If choice b is selected set score to 2. Dietary reference intake service consist of the following values except a)Adequate Intake(AI) b)Estimated Average Requirement (EAR) c)Tolerable Upper-Intake level(UL) d)Allowed Dietary Consumed(ADC) If choice d is selected set score to 2. Concept that cannot exist on their own but depend on two or more concept are refer to as ____________ a) Empirical concept b) Molecular concept c) Relational concept d) Theoretical concept If choice c is selected set score to 2 The building block of protein are............... a) Amino acids b)Aldehydes c)Lactose d)Maltose If choice a is selected set score to 2. PLATO – 08060948531 Second generation computer used.....................for circuiting? a)Vacuum tubes b)Magnetic drums c)Integrated circuits d)Transistors If choice d is selected set score to 2. Who designed the first fully programmable mechanical computer called “The analytical engine”? a)Charles Babbage b)Blaise Matuidi c)Von Neuman d) Nels Weimister If choice a is selected set score to 2. The most abundant gaseous element in the atmosphere is what? a)Oxygen b)Argon c)Nitrogen d)Methane If choice c is selected set score to 2. One of the following is not true about kinetic theory? a)Particles have no sense of history between collision. b)Collision between particles are perfectly elastic c)Matter is constituted in all cases d)Matter does not offer resistance to motion If choice d is selected set score to 2. Science can be view as the following except? a)Noun b)Verb c)Adverb d)Adjective If choice c is selected set score to 2. Yellow fever is caused by which virus? a)Arbovirus b)Venola virus c)Paraxymo virus d)Bacillus If choice a is selected set score to 2. Which is the most common blood type in the world ? a) Group A b) Group B c) Group AB PLATO – 08060948531 d) Group O If choice a is selected set score to 2. The perishability of food is based on what? a)Chemical composition b)Biological adaptation c)Shelf-life d)Moisture content If choice d is selected set score to 2. The thermal layer of the Atmosphere close to the earth surface is called what? a)Thermosphere b)Troposphere` c)Stratoshphere d)Mesosphere If choice b is selected set score to 2. The following are rivers found in Africa except................? a)Nile b)Amazon c)Bahr el Ghazal d)Zambezi If choice b is selected set score to 2. Which of the following statement is a two-tail alternative hypothesis set? a)The average performance of Lyon is better than that of Roma last season b)The average performance of Lyon is different from that of Roma last season c) The average performance of Lyon is worse than that of Roma last season d) The average performance of Lyon is not different from that of Roma last seasonIf choice b is selected set score to 2. All of the following scientist were involved in scientific method except a) Francis Bacon b) Rene Descartes c) Robert Boyle’s d) Archimedes If choice d is selected set score to 2 The band of colours that make up the white light is called a) Colours b) Spectrum c) Mathematics d) Physical science PLATO – 08060948531 If choice b is selected set score to 2 Which Nigerian industrial sector has the highest labor? a)Oil and gas b)Banking c)Agriculture d)Nollywood. If choice c is selected set score to 2. Which is not a type of concept? a)Empirical concept b b)Relational concept c)Theoretical concept d)Operational concept If choice d is selected set score to 2. The royal society of London is otherwise refer to as a)Invisible college b)College of Arabic c)Visible college d)None of the above. If choice a is selected set score to 2 The international symbol used to label irradiated food is called what? a)Medussa b)Klyton c)Ramon d)Radura If choice d is selected set score to 2. “A body at rest will remain so and a body in motion with constant speed in a stagnant line will remain so unless an eternal force acts on it” this is ? a)Ohm’s law b)Newton law of gravity c)First law of thermodynamics d) Newton’s First law If choice d is selected set score to 2. The decomposition of rocks in the presence of active water, low temperature, oxygen and CO2 is known as.............. weathering. a)Chemical b)Mechanical c)Nautical d)Biological If choice a is selected set score to 2. One of this is an example of proper food a)Water b)Vitamins c)Fats PLATO – 08060948531 d)Inorganic salts If choice c is selected set score to 2. A.................. atom always has equal number of patrons and electrons a)Positive b)Neutral c)Negative d)Subatomic particles If choice b is selected set score to 2. ................ Is the process of undertaking how reliable one can generalized the observed results in a sample under study to the larger population from which the same is drawn. a)Statistical inference b)Hypothesis testing c)Binomial determination d)Test of variance. If choice b is selected set score to 2. What is the deadliest disease in poultry a)New castle b)Everton c)Fowl pox d)Bird Flu If choice a is selected set score to 2. Scientific societies were formed with the following reason except a) To disseminate scientific information b) To exchange scientific ideas c) To share common ground on scientific matter d) To borrow money If choice d is selected set score to 2 What is the term used to describe the movement of hot magma from the point of generation to the surface through vents? a)Eruption b) Erosion c)Weathering d)Volcanism If choice d is selected set score to 2. Television was invented in what year? a) 1927 b) c) 1929 1925 PLATO – 08060948531 d) 1934 If choice a is selected set score to 2. What is the process of designing procedures to test a hypothesis? a)Theorizing b)Experimenting c)Hypothesizing d)Interpreting If choice b is selected set score to 2. A scientifically literate person should possess the following except a) A body of scientific knowledge b) The indifferent about the situation around him or her c) A set of scientific skills d) Behave scientifically in his or her day to day activities If choice b is selected set score to 2. Which of the following doesn't not require microbial action? a)Milk b)Drug c)Bear d)Egg If choice a is selected set score to 2. Which among the following is not a nuclear element? a)Helium b)Lithium c)Uranium d)Thorium If choice a is selected set score to 2. Which of the following is a micronutrient? a)Carbohydrates b)Lipids c)Proteins d) Vitamins. If choice d is selected set score to 2. A liquid melted rock is known as a)White lava b)Volcano c)Molten magma d)liquid rock If choice c is selected set score to 2. Which among the following believed in the heliocentric Theory of the universe? a)Ptolemy b)Pythagoras c)Aristotle d)Galilei PLATO – 08060948531 If choice d is selected set score to 2. A typical example of a non-renewable energy is .....................energy a)Fossil fuel b)Biomass c)Geothermal d)Solar If choice a is selected set score to 2. The action of enzyme and oxidation is known as what? a)Pyrolisis b)Autolysis c)Enzymianism d)Redaction If choice b is selected set score to 2. Isaac Newton lived between one of the following years? a) 1578-1657 b) c) 1661-1752 1511-1630 d) 1642-1727 If choice d is selected set score to 2. A device is not a computer until it is................? a)Programmable b)Electronically operated c)Robotic d) Computed If choice a is selected set score to 2. The full meaning of Nigeria academy of science is otherwise called NAS is a society found in a)Britain b)Nigeria c)United Kingdom d)Hong Kong If choice b is selected set score to 2 The following are the forms of taking herbs except? a)Compulsion b)Decoction c)infusion d) poultice If choice a is selected set score to 2. Ozone is a form of? a)Carbon b)Nitrogen PLATO – 08060948531 c)Oxygen d)Nitrous oxide. If choice c is selected set score to 2. What is the concept which establishes that any plant part which resembles the organs of human body is created for the cure of the ailments of that body? a) Acupuncture b)Yoga c)Herbal lax d) Doctrine of signature If choice d is selected set score to 2. Sir Isaac Newton died in which year a) 1998 b) 1720 c) 1722 d) 1727 If choice d is selected set score to 2 What is the highest mountain in Africa? a)Karisimbi b)Kuwenzori c)Kilimanjaro d)Elgon If choice c is selected set score to 2. .................. is defined as an excess of body fat. a)Kwashiorkor b)Marasmic Kwashiorkor c)Obesity d)Marasmus If choice c is selected set score to 2. One of the following is a perishable food a)Meat b)Cocoyam c)Onion d)Barley If choice a is selected set score to 2. Which of the following is a method studying philosophical knowledge? a)Systematic method b)Critical method c)Classification method d)Deduction method If choice b is selected set score to 2. One of the following is not an office suite application. a)Microsoft Lotus PLATO – 08060948531 b)Microsoft word c)Microsoft Publisher d)Microsoft Excel. If choice a is selected set score to 2. What is the term used to refer to the formulation of a result that we expect based on experience? a)Predicting b)Inferring c)Deducing d)Hypothesis If choice a is selected set score to 2. A brief statement or mathematical formular predicting inter-relatioships among concept is refer to as _______ a) Concept b) Fact c) Law d) Theory If choice c is selected set score to 2 Which blood group contains no antigen in their cells but contain both antibodies A and B in their plasma? a)Group O b)Group AB c)Group B d) Group A If choice a is selected set score to 2. The scientific study of the location and the landscape of the earth is known as? a) Geomorphology b) Geography c) Geology d)Geodesy If choice a is selected set score to 2. The royal academy of science started with formal meeting in Paris in which year a) 1660 b) 1666 c) 1667 d) 1668 If choice b is selected set score to 2 A .......................serve as a basis for deducing empirical consequences from it. a)Law b)Theory c)Fact PLATO – 08060948531 d)Model If choice b is selected set score to 2. The level of significance of a statistical hypothesis test is also known as what? a)The type iv error b)Type iii error c) Type ii & i error d)Type i error If choice d is selected set score to 2. What is balanced diet? a) A diet containing micronutrients & macronutrients in adequate quantity. A diet containing essential micronutrients and Amino acids c) A diet devoid of contamination d) A diet that is eating thrice daily. b) If choice a is selected set score to 2. A person who write computer programs is known as what? a)Hacker b)Programmer c)Hardware engineer d)Netizens If choice b is selected set score to 2. The meaning attach to a giving symbol or label is called ______ a) Fact b) Model c) Phenomenal d) Concept If choice d is selected set score to 2. The highlight of Francis Bacon can be summarize into how many? a) 1 b) 2 c) 3 d) 4 If choice d is selected set score to 2 The hypothesis of interest that the investigator wants to ascertain its veracity base on empirirical evidence from the sample data is known as...................... a)Critical Hypothesis b)Alternative hypothesis c)Research hypothesis PLATO – 08060948531 d)Null hypothesis If choice b is selected set score to 2. What is the greatest world major problem? a)Homosexuality b)Nuclear weapon c)Food insecurity and poverty d)HIV?AIDS If choice c is selected set score to 2. Which of the following is not true about energy a)It is the ability to do work b)It can never be transferred from one place to another c)It can never be created nor destroyed d)It can be converted from one form to another If choice b is selected set score to 2. Which one of these predisposes? a)Guava b)Orange c)Lemon d)Banana If choice d is selected set score to 2. The method and skills that scientist employ in their work include _____ a) Observing b) Measuring c) Classifying d) All of the above. If choice d is selected set score to 2 The base pairs of a DNA consists of the following compounds except? a)Thymine b)Adenine c)Cytosine d)Guillotine If choice d is selected set score to 2. What is the problem of inadequate access to food? a)Illiteracy b)Over-population c)Poverty d)Rural-Urban migration If choice c is selected set score to 2. Which of the following is not among the spheres that constitute the earth? a)Lithosphere PLATO – 08060948531 b)Biosphere c)Hydrosphere d)None. If choice d is selected set score to 2. What is the proper way to dispose sputum? a) Swallow it quietly without anyone noticing b) Throw it a far in the public c) Get a personal handkerchief to dispose it d) Call public health workers If choice c is selected set score to 2. Sir Isaac Newton represented the height of scientific revolution a) True b) False c) Either true or false d) None of the above If choice a is selected set score to 2 If the null hypothesis is not rejected, this means that................? a)The null hypothesis is correct b)The null hypothesis is strong to disprove the alternative hypothesis. c)There is no enough evidence to reject the alternative hypothesis d)The alternative hypothesis does not test significantly. If choice c is selected set score to 2. Hp is an acronym for which of the following? a)Hawlet-Packard b)Hawlett- Packard c)Hawllet-Packard d)Hewllet-Packard If choice d is selected set score to 2. Which of the following is not a poultry house equipment? a)Candler b)lander c)Debeakers d)Brooders If choice b is selected set score to 2. What is the main memory of a general purpose computer? a)RUN b)GUI c)ROM d)RAM If choice d is selected set score to 2. PLATO – 08060948531 The first Nuclear war-head used on Hiroshima and Nagasaki is known as..................... a)Ballistic missile b)RPG c)Little boy d)Geronimo If choice c is selected set score to 2. What is the essential organic constituents of the diets which the body requires in small amounts for its metabolism? a)Fats b)Minerals c)Organic salts d)Vitamins If choice d is selected set score to 2. One of the following is not a model for scientific explanation. a)Deductive Nomological model b)Inductive statistical model c)Statistical relevance model d)Objective statistical model If choice d is selected set score to 2. Africa is bounded by.............major water body? a) 2 b) c) 3 4 d) 5 If choice b is selected set score to 2. ................Stage is a rearing period when birds is not laying but loose their feathers a)Culting b)Cutting c)Routing d)Moulting If choice d is selected set score to 2. A statement that insect has three pairs of legs..............? a)Law b)Fact c)Theory d)Truth If choice b is selected set score to 2. The first thermometer was invented by......................... a)Toricelli b)Newton PLATO – 08060948531 c)Da vinci d)Galileo If choice d is selected set score to 2. what is the popular local name for “Fadogia agrestis”? a)Buran tachi b)Maganichio c)Indozaka ru d)Bakin gaigai If choice d is selected set score to 2. What is the name of poultry breed that is kept for egg production? a)Pullets b)Boars c)Broilers d)Cockerels If choice a is selected set score to 2. The product of science include the following except a) Experiment b) Law c) Theory d) Fact If choice a is selected set score to 2 Which of the following is not a fungus? a)Virus b)Mosquito c)Bacteria d)Fungi If choice c is selected set score to 2. ‘Optics’ the book written by sir Isaac Newton was published in which year a) 1991 b) 1906 c) 1705 d) 1704 choice d is selected set score to 2 Mount Kilimanjaro can be found in which part of Africa? a)Uganda b)Sudan c)Kenya d)Zimbabwe If choice c is selected set score to 2. One of the following is not a common disease in poultry. a) Coccidiosis PLATO – 08060948531 b)Gumboro c)Black plague d)Newcastle If choice c is selected set score to 2. William Harvey was unable to establish the connections between the arteries and veins a) True b) False c) Either true or false d) None of the above If choice a is selected set score to 2 One of the following is not a gas? a)Hydrogen b)Sodium c)Argon d)Carbon monoxide If choice b is selected set score to 2. Nutrients in chicken diet can be calculated by using.........square a)Clayton b) Prentice c)McClair d)Pearson If choice d is selected set score to 2. Where can Ozone be found in large proportion? a)Stratosphere b)Troposphere c)Mesosphere d)Thermosphere. If choice a is selected set score to 2. Biomass burning is the burning of .......? a)Waste b)Living and Dead Vegetation c)Tin d)Lifemass If choice b is selected set score to 2. Which of the following is an example of organic fuel? a)Ethanol b)Butanol c)Methanol d)Keratine If choice a is selected set score to 2. The following are the process of weathering except a)Mechanical b)Chemical PLATO – 08060948531 c)Biological d)Nautical If choice d is selected set score to 2. Scientist possess the following ethical attributes except a) Curiosity b) Prejudice c) Open mindedness d) Positive approach to failure. If choice b is selected set score to 2 The following are accessory foods except............ a)Vitamins b)Water c)Carbohydrates d)Inorganic salts If choice c is selected set score to 2. A method of reasoning in which two statements are used to prove that a third statement is true is known as.............. method of reasoning. a)Synoptic b)Systematic c)Syllogistic d)Syncretic If choice c is selected set score to 2. What is the botanical name of pawpaw? a)Musa Spp b)Discoria Spp c)Carica papaya d)Bambusa vulgaris If choice c is selected set score to 2. Science can be define as ____________ a) Body of knowledge b) A way of investigating or method c) A way of thinking in the pursuit of understanding of nature d) All of the above. If choice a is selected set score to 2 Which of the following is one of the models for explanation? a) Empirical verification b) Objectivity c) Statistical inference d) All of the above PLATO – 08060948531 If choice c is selected set score to 2. A computer is.............................device a) An electronic b) A mechanical c)An application d)A processing If choice a is selected set score to 2. Which of the following is correct about the DNModel? a) It support every event by siting a law b) It attempt to subsume phenomenon under general law c) It pay sufficient attention to the explanatory role of casual relation d) t account fro judgement in explanatory relevance If choice b is selected set score to 2. A scientist is expected to be ..................... a)Sexy b)Subjected c)Randy d)Objective If choice d is selected set score to 2. During the later year Sir Isaac Newton played public role in the following except a) Parliament in 1689 b) HOD 1662 c) Master of the mint in 1699 d) Knight hood in 1705 If choice b is selected set score to 2 What is the major reason why people prefer herbs to conventional medicine? a)High cost of conventional medicine b)Efficacy of herbal therapy over conventional medicine c)Easy access to local herbs d)Side effects associated with conventional medicine. If choice b is selected set score to 2. What is the most important material required by human being a)Protein b)Carbohydrates c)Fats d)Vitamins If choice a is selected set score to 2. Johannes Kepler wrote all but one of the following books? a)Novum Organum b)Astronomia Nova PLATO – 08060948531 c)Harmonices Mundi d)Mysterium Cormograplucum If choice a is selected set score to 2. Which of the following provides most energy found on earth a)Sun b)Water c)Wind d)Tide If choice a is selected set score to 2. The followings are semi-perishable food except a)Yam b)Maize c)Onion d)Cassava If choice b is selected set score to 2. A test result is said to be significant only when................. a)The test accepts all the propositions of the null hypothesis b)The test accepts the null and alternative hypothesis altogether. c)The test rejects the alternative hypothesis in favor of the null hypothesis d)The test reject the null hypothesis in favor of the alternative hypothesis If choice d is selected set score to 2. The uses of DNA fingerprint is limited in one of the following a)Blood conservation b)Criminal identification c)Personal identification d)Diagnosis of inherited disorder If choice d is selected set score to 2. One of the following is a method of heating a)Freezing b)Pasteurization c)Canning d)Irradiation If choice b is selected set score to 2. What is the most important aim of science? a)Experimenting b)Forecasting c)Explaining d)Classifying If choice c is selected set score to 2. PLATO – 08060948531 Who theorized the invisibility of atoms? a)Dalton b)Bohr c)Newton d)Rutherford. If choice a is selected set score to 2. The statement that science does not deal with final causes is........... a)Deceptive b)Factual c)Logical d)Undecided If choice b is selected set score to 2. Which is the oldest association of scientists? a) Academia del lincei b)Ballon D’or c)Academia secretorium Naturae d)Royalty society of London If choice d is selected set score to 2. What is the botanical name of the neem tree? a)Abrus indica b) Bambusa india c)Azadiracta indica d)Veronica indica If choice c is selected set score to 2. A type of computer that represents data in continuous and discontinuous manner is called what? a)Hybrid Computers b)Mainframe computers c)Digital assistant d)Analog computers If choice a is selected set score to 2. Where can the highest hill in Nigeria be found? a)Plateau b)Idanre c)Birnnin kebbi d)Chappal waddi If choice d is selected set score to 2. Under the category of food spoilage, yam belongs to? Stable b) Semi-perishable c) Perishable d) None of the above a) PLATO – 08060948531 If choice b is selected set score to 2. The temperature range that is conducive for agent of food spoilage to thrive is What is the smallest micro-organism? a)Virus b)Bacteria c)Fungi d)Protozoan If choice a is selected set score to 2. Which scientist advocated for mathematical reasoning and deduction as a method of scientific reasoning? a)Bacon b)Aristotle c)Descartes d)Newton If choice c is selected set score to 2. Philosophy of science is concerned with which of the following? a) Foundation of science b) Assumption of science c) Method and implication of science d) All of the aboveIf choice d is selected set score to 2. All microbes are .................... a)Pathogens b)Living organisms c)Unicellular d)Host specific If choice b is selected set score to 2. The freeze-drying of food is referred to as..............? a)Lyophilization b)Blanching c)Sterilization d)Pasteurization If choice a is selected set score to 2. Who was the first scientist to employ the modern scientific method fully in physics and astronomy? a)Galilei (1554-1642) b)Galilei (1544-1643) c)Galilei(1564-1643) d)Galilei(1664-1782) If choice c is selected set score to 2. Which organism is single celled? PLATO – 08060948531 a)Protozoan b)Bacteria c)Virus d)Fungi If choice a is selected set score to 2. Philosophy of biology deals with which of the following? a) Ethics b) All of the above c) Epistemology d) Metaphysics If choice b is selected set score to 2. Novum Organum was a book written by a) Francis Bacon b) Yakubu M.T c) Rene Descartes d) Akanji M.A If choice a is selected set score to 2 The statement that “herb is of natural origin and they are safe” is.........? a) very correct b)Usually correct c)Incorrect d)Wrong If choice c is selected set score to 2. Which of the following is a method used to render science accessible to people? a) Philosophical context b) Philosophy of Psychology c) All of the above d) Original Philosophical Method If choice d is selected set score to 2. Handkerchief is used by a)Male b)Both sex c)Female d)the clean person If choice b is selected set score to 2. A set of an instruction that tells the computer what to do is known as................ a)Information b)Data c)Program d)Processor PLATO – 08060948531 If choice c is selected set score to 2. The word science is derived from which latin word? a)scientia b)Scientum c)Scientienne d)Skendy If choice a is selected set score to 2. The hypothesis of no effect which is basically the opposite of the research hypothesis is called ........ a)Alternative hypothesis b)Critical hypothesis c)Null hypothesis d)Alternative hypothesis If choice c is selected set score to 2. The earliest programmable ANALOG computer is a........................ a)Castle clock b)Sun dial c)Water lever d)Thermometer If choice a is selected set score to 2. The following conditions are necessary for microbial growth and enxyme action except a)Relative humidity b)Organic food c)Suitable PH d)moisture If choice a is selected set score to 2. Secondary Protein Energy Malnutrition can be cause by which of this? a)Aids b)Malaria b)Chicken pox d)Sinzu Fever If choice a is selected set score to 2. The science derived from the latin word "Scientia" referred to? a) Learning b) Wisdom c) Knowledge d) Studying If choice c is selected set score to 2. What is the full meaning of OTEC? a)Ocean Thermal Energy Conversion b)Online thermal Energy Conversin c)Optical Thermal electron conversion PLATO – 08060948531 d)Odhere Thermal Energy Converstion If choice a is selected set score to 2. Earth has ………… Shape? a)Garden egg b)Water c)Pawpaw d)Coconut If choice a is selected set score to 2. The energy from heat inside the thermal energy within the earth is termed.............. a)Tidal energy b)Volcanic energy c)Thermonuclear energy d)Geothermal energy If choice d is selected set score to 2. Who wrote De Motu Cordis et Sanguinis? a)Harvey b)Kepler c)Ibn Sina d)Bacon If choice a is selected set score to 2. GNS 311 is about the...............? a)History and study of Laosism b)History and science of Zulabneology c)History and philosophy of science d)General study of science If choice c is selected set score to 2. Which is the best way to avoid microbial diseases? a)General hygiene b)Visiting the doctor c)Studying zoology d)Taking preventive medications If choice a is selected set score to 2. The first Air thermometer invented by Galileo Galilee is refer to as a) Alcohol thermometer b) Air thermometer c) Mercury thermometer d) All of the above If choice a is selected set score to 2 PLATO – 08060948531 GENERAL STUDIES DIVISION 1. The small holder farmers have the following attributes a. Produce the bulk of Nigeria’s domestic agricultural output b. From the core of Nigerian farming sector c. Employ law efficiency of farming sector d. Have adequate finance 2. The following are fungi disease a. ringworm b. leprosy c. AIDS d. Tuberculosis 3. Which of the following does not contributes part of the biological environment? a. man b. plants c. PH d. Microorganism 4. Potential energy is …………….. a. energy associated with masses in motion b. energy stored in an electric field c. energy possessed in a system due to its position d. energy in the wound spring of a clock 5. Important heavy metals in the environment include; a. iron b. molybdenum c. mercury 6. 7. 8. 9. d. selenium The following statement is true a. deprivation of hold of its nutrients can initiate disease condition b. viruses take over partial control of cells they invade c. the major reservation of all pathogens are human d. ingestion o pasteurized food is a very popular mode of transmission Repeated uncontrolled division of cells is refe rred to as a. Anaemia b. Cancer c. Hepatitis d. Malignant tumour Favourable conditions necessary for food spoilage agents to thrive include a. Low temperature b. Strong acid c. Low mixture content d. Nutrient in food Wat is technology? PLATO – 08060948531 A. is a way of building aero planes and cellular phones B. improve the way we do things generally C. is the master of science D. originated from Egypt and Mesopotamia 10. Components of a digital computer doe s not include a. Core memory b. Output unit c. Unit arithmetic and logical units d. Image processing unit 11. …Takes its own shape when in solid form a. Kinetic theory b. Matter c. Atoms d. Elements 12. An important acid that could act as pollutant in water from cements industries includes a. Hydrochloric acid b. Scilphurous acid c. Nutric acid d. Silicates 13. Which of the following crops is mostly grown in northern Nigeria a. Maize b. Oil palm c. Cocoa d. Tubers 14. Which of the following diseases is not caused by virus a. Polio b. Measles c. Cholera d. AIDS 15. Which of the following is TRUE ? a. biological differences generally play a major role in determining what n a t i v i t y is carried out by male and female in agricultural b. there is a problem of inadequate integration of women in agricultural development process in Nigeria c. n o n e o f t h e a b o v e d. a l l o f t h e a b o v e 16. Which of the. following is among the elements formed during atomic evolutionary Stage? a. carbon (IV) oxide b. hydrogen c. antimony d. gold 17. The type of computer measu res physical values and magnitude such as pressures, temperature, shaft rotation, voltage or current except a. Hybrid b. Digital c. Continuous d. Analogue 18. Dominant agricultural system for field crop production in Nigeria is a. Shifting cultivation b. Nomadic agriculture c. Subsistence farming PLATO – 08060948531 d. Commercial agriculture 19. Biogeography involves a. Geography and English b. Biology and geology c. Geology and history d. Climatology and economics 20. Which of the following is not true of farmers ’ cooperatives in Nigeria? a. There is absence of felts -needs among members b. They generally offer insig nificant financial assistance c. They do not enjoy financial assistance and support from the government 21. Which of the following is the major problem conforming resource poor farmers in Ni geria. a. Poor market bargaining power b. Inefficiency in resource alternatively c. Lack of financial reserves for reinvestment d. High cost of input procurement 22. The most important factor responsible or the world for problem is …… a. Poor education about nutrition b. Rural urban migration c. High population growth rate d. Poor weather 23. Fossil fuels does not include … a. Nuclear fuel b. Coal c. Petroleum d. Natural gas 24. Some of these activities of pathogen city in microbes include the following except: a. production of excretory waste that may be intolerable to the host and hence referred to as toxin b. confiscation of host tissue for personal use by the viral infections c. deprivation of the hoist of its nutrients d. reduction of the tissues from personal used by the microbes 25. The environment can be regarded as an ecosystem in which… a. both the living and non living things co-exist b. only the living things co-exist c. only the non-living things co-exist PLATO – 08060948531 d. both plants and animal co-exist 26. The intensive management can considered under two divisions a, cage system and rearing system b. brooding and cage system c. cage system and production of cycle birds cage and deep litre system 27. Which of this river does not drain into the ocean? a. Togo b. Niger c. Congo d. Zambia 28. Megathennal plant… a. can tolerate temperature below 200c b. can tolerate temperature above 200c c. can tolerate temperature above 500c d. can tolerate temperature below 100c 29. Silos arc built to withstand the effects of a…… a. intercontinental ballistic misuse b. atomic Nuclear bombs c.-intercontinental ballistic missiles. d. inter- country ballistic missile 30. Favourable conditions necessary for food spoilage agents to thrive' must include the following except; a. temperature b. moisture content c bactericidal action d. acidity. 31. Chemical wastes can affect the soil? a. by changing the soil chemistry and microbiology b. by changing physical properties c. by impacting rock formation to contaminate underground water. d. by emitting methane and related hydrocarbons as air pollutants 32.Benefits of publicity include all but one of the following a. obtain favourable presentation about a product b. promotes product, person and ideas c. marketers have full control over publicity d. all of the above 33. The factors which small scale businesses relates to includes all but one of the following: a. employee b. consumer c. banks d. government 34. The conditions that an entrepreneur who wants his bank application for loans approval includes a. presentation of pat business history b. provides good confidence that the idea will work PLATO – 08060948531 c. evidence that the loan will be repaid d. only (a) and (b) and (c) 35. The following factors but one will assist an entrepreneur towards encouraging employees positively. A. Providing work in a conducive environment. B. Pay salaries and wages as at when due c. Encourages spying for the progress of the business d. Respecting the rights of employees. 36. One of the following may not be a federal' or state government agency offering assistance to the entrepreneur. A. IDC B. SMEDAN C. NURTW D. PRODA 37. Which of these bodies may not necessarily relate to business? A. National Association of Small-Scale industries (NASSI) B. National Road Union of Workers [NRUW] C. Administrative Staff College of Nigeria (ASCON] D. University of Ilorin 38. The decision of what to produce is ultimately taken by; A . C o n s um e r B . Directors of companies C, Government D The workers of companies 39. Efficiency of resources use refers to; A. Amount of output b. Amount of input C . The extent to which resources are combined in the most productive manner D . The number of workers employed per hour 40. A plan in business sense is the same as; A. Capital . B. Blueprint of action C. Building construction D. S u p e r v i s i o n 48. Lead as a chemical waste can be obtained frommining industry a. mining industry b. pesticide industry c. battery chargers’ workshop d. agrochemical industry PLATO – 08060948531 49. Which of the following computer is used for pick and place job in cannery? a. robot b. notebook c. calculator d. remote sensor 50. Heating a metal until it glows is a demonstration of conversion of... a. chemical energy to electrical energy b. heal to electrical energy c. heat to light energy d. fight to heal energy 51 . Technology ........... .... a. helps nature to grow b. destroys nature c. adds to nature d. all of the above 52. Scientific environment contain each of these except....... a. data b. freedorn of expression c. ability to smile d. curiosity' 53.A cooperative is a .. a. government organization b. democratic organization c. religious organization d. political organization 54: Plants are more studied than animal because a. plants are more numerous b. plants are longer c. animals are smaller and move fast d. animals are smaller and elusive 55. The following have provided facts to support the theory of evolution except; a. paleontology b. kinetics C. immunology d. study of systematic 56. A device that can convert digital information to analogue. is called a. modern b. telephone c. project d. computer PLATO – 08060948531 57. Which of the following does• not constitute 'part environment? a. man b. plants. c. PH d. micro-organisms 58. Which of the following is an agent - of food spoilage? a. amino-acid b. carbohydrates c. enzyme activity 59. Food is necessary for a. good health b. growth c. normal functions of the body d. all of the above 60. One of the factors responsible for the for - tuition of new species is; a . malnutrition b . malformation c . mutation d . emission 61. The following scientist w e r e i n v o l v e d i n t h e e v o l u t i o n o f d i g i t a l c o m p u t e r s except a. john napier b. Alb ert henst ein c. b r a i s e P a s c a l d. Howard aikem 62. The fol l owi ng a pproaches are (t rue ) desi rabl e i n prope r m anagem ent of microbial diseases. a. eating of balance diet b . use of chug indiscriminately c. good sanitary procedure d. having adequate sleep 63. Food insecurity situation can be summed up as a. to do without the white mains food b. when basic food items are not available c. giving food subsidies d. enhancing government security apparatus for food production 64. The following statements are true except: PLATO – 08060948531 a. biography is a geographical science b. heat i s ess ent i al t o growt h c. mega thermal plant can tolerate temperature above 20 0 c d. hydrophytes are wind loving plants 65. Factors which must act on genes to evolve new species include; a. diet b. mutation c. education d. population effects 66. Agents of food spoilage and loses include; a. enzymes activity b. insect c. micro-organism d. chemical reactions 67. Geomorphology is coined from two words __________ and __________ a. earth and shape b. geo and morph c. Africa nd India d. earth and south 68. _________ is defined as the scientist study of landforms and landscapes a. earth b. geomorphology c. Africa d. shape 69. Which of this is true? a. the continent of Africa is an island with surface area of 30,310 square b. the continent of Africa is an island with surface area of 60, 310 square c. the continent of Africa is an island with surface area of 33,310 square d. the continent of Africa is an island with surface area of 30,311 square 70. ________ and _______ island basins represents are fifth of the total land surface of the earth a. plateanx and estuaries b. geo and morph c. earth and shape d. north-south and east-south 71. ________ are the factors responsible for geomorphology variation. a. weathering erosion and deposition b. north and south c. India sea and red sea 72. The water that has tricked into cracks in rocks can freeze and expand by about a. 6% when temperature drops below 00C (320F) b. 9% when temperature drops below 00C (320F) c. 8% when temperature drops below 00C (320F) d. 7% when temperature drops below 00C (320F) 73. ________ is the three processes bring about soil formation which is always overlying the rocks are; PLATO – 08060948531 a. mechanical, biological and chemical b. weathering, erosion and deposition c. south, north and east d. geomorphology, shapes and Africa 74. ________ is defined as the way by which the loose soil particles are renounced by agents such as running water, glacier and wind action is called a. geomorphology b. erosion c. deposition d. weathering 75. _______ while the setting of particles at near or distance destination from source as a result of decrease in the energy of transporting medium is called a. erosion b. deposition c. weathering d. biological 76. _______ and _______ are continous processes that cover and uncover topography referred to as hills, mountains and valleys today a. biological and deposition b. deposition and weathering c. erosion and weathering d. erosion and deposition 77. Erosion activities may once rocky and mountainous are to become flat (peneplain) or develop into interlocking and isolated round or flat top hills (monadrocks) constiting rocks that are resistant to weathering a. true b. false 78. _______ are types of rocks a. basememt rocks, sedimentary rocks or sediments b. basement rocks, erosion and deposition c. sedimentary rocks, deposit rock d. geo and morph 79. Ruwenzori in Uganda (5:11am) elgon (4,321m), karisimbi (4,507m), batu (4,307m), and killimanjaro (5,895m) all these mountains are products of volcanic activities. a. true b. false 80. The _______ is the largest lake in African with total area of 83, 00km a. lake Victoria b. lake Tanganyika c. lake elgon d. lake batu 81. The development of science can be broadly divided into three phases namely; a. golden scientific age of the Greeks and the middle ages and the renaissance b. middle age, early ages, lastly age 82. Method of studying philosophical science is; a. the pedestrian, method, critical (method, original philosophical method) b. experiment, causes and effect, measurement c. none of the above PLATO – 08060948531 d. all of the above 83. Kinetic energy formula is a. K=1/5MV2 b. K=1/2Mb2 c. K=1/8MV2 d. K=1/2MV2 84. The following are potential energy formula a. PE= mgh b. PE= mhg c. PE= Hmg d. PE= Gmh 85. Biomass refers to all organic matter generated through photosynthesized other biological processes. a. true b. false 86. Examples of plant residue are a. straw, corncobs, saw-dust b. saw-dust, beans, cow c. husks, night soil, solids d. cow, industrial straw 87. All these are examples of renewable sources of energy except a. hydropower b. solar c. geothermal d. liquids 88. Any form of energy that can be derived from biomass resources are classified as; a. non-renewable energy b. renewable c. potential energy d. kinetic energy 89. All of these are examples of non-renewable energy except a. liquids b. solids c. fossil fuel d. solar 90. Blood is the red viscid fluid filling the heart and blood vessels consists of a colourless fluid known as the a. plasma b. magma c. group d. thrombocytes 91. The life of red blood cells is a. 2 months b. four month c. three month d. six month 92. Blood transfusions from incompatible groups can cause an immunological transfusion reaction resulting in PLATO – 08060948531 a. hemolytic anemia b. renal failure, shock and death c. all of the above d. none of the above 93. People with blood group ‘O’ are known as ‘Universal donors’ a. true b. false 94. Which of these statements is correct? a. when the cells contain only the cole groups, the blood is said to be Rhesus-negative (Rh-ve) b. when the cells contain C,D and E singly or in combination with cde, them the blood is Rhesus positive (Rh+ve) c. none of the above d. all of the above 95. DNA finger printing is rapidly becoming the primary method for identifying and distinguishing among individual human beings A. true b. false 96. DNA finger printing is a laboratory procedure that requires six steps are Isolation of DNA; cutting; sizing and sorting; transfer of DNA to nylon; probing; probing and DNA fingerprint b. man, plants, pH and microorganism c. iron, molybdenum, mercury and selenlum d. ringworm, leprosy, AIDS and tuberculosis 97. DNA fingerprints are useful in several applications of human health care research and the justice system are diagnosis of inherited disorder; developing cures for inherited disorders; paternity and maternity; criminal identification and forensic and personal identification a. true b. false 98. _______ was the first of a number of mechanical calculators constructed by European Engineers a. Wilhelm schickard’s 1623 device b. wilhem marrie 1622 c. Charles babbage 1838 d. herman Hollerith 1890 99. In 1837, _______ was the first conceptualize and design a fully programmable mechanical computer that he called ‘the analytical engine’ a. Charles babbage b. Wilhelm schickard c. joseph marie d. al-jazari 100. All these are classification by type of data processed except one a. analog computers b. digital computers c. hybrid computers d. apple computers 101. classification by generations of computer are; a. six b. seen PLATO – 08060948531 c. five d. none of the above 102. personal computers are in two (2) major categories a. big and small b. destop and laptop c. destop and bigtop d. all of the above 103. ________ are the physical and visible components of the computer system? a. software b. hardware c. human ware d. light ware 104. All these are examples of hardware components are except; a. input devices b. output devices c. storage devices d. lighting devices 105. examples of software are except; a. system software b. translators c. application software d. output software 106. Which statements is true about computers a. computers were still to big to used or other things b. computers were used for census purpose c. none of the above d. all of the above 107. In an illness where there is no ‘cure’ and in which pharmaceutical drug typically produce side effect, people seek for alternative in form of; a. medicinal plants or herbs b. consulting another doctor c. none of the above d. all of the above 108. These herbs produce and contain a variety of chemical substances called; a. phytochemicals b. chemicalphytic c. potential 109. Examples of medicinal herbs includes the following except; a. perfumery plants b. microscopic plants c. fibre plants d. food plants 110. Most of the herbal medications are mainly prepared a. roasting b. storing c. turning d. dying PLATO – 08060948531 • 111. Science is dynamic a. because science work alone or in groups b. most of the time it works alone c. it seeks relationships among data and formulate generalisations in the form of concepts d. science is a folk idea 112. In which year United States of America congress passed th e atomic energy act. a. 1945 b. 1944 c. 1943 d. 1946 113. During World War II Hiroshima and Nagasaki in Japan were bombe d using a. atomic bomb b. nuclear bombs c. hydrogen bom b d. nitrogen bomb 114. how many countries developed their oven nuclear armament' the day after' a. 4 b. 3 c. 8 d. 15 115: All these statements are true about nuclear power. except a. b. c. d. nuclear power costs about the same as coal does not produce smoke. is reliable it costs to m ake by i ndividuals 116. The main raw materials for the production of biogas are. a. animal wastes such as cate dung, chicken dropping and night soils b. animal wastes and plant waste c. plant waste and soils d. animals wast es and area plant. 4 PLATO – 08060948531 117. Feedstuff used in poultry feeds are classified into……….broad groups a. 1 group c. 5 groups d. 10 groups: 118. This is a relatively Slow spreading viral disease of poultry that affects all ages a. gunboro b . fowl pox c. bird flu d. parasite 119. Which diseases occur in birds that are 8 weeks of age? a. new castle disease b. chronic respiratory disease c. animals disease d. plant disease 120. ‘Give gunboro vaccines and anti stress which days a. day 0 b. day 10 c. day 7 d. day 2 121. One among the following is belonged to their tribe: a. pounding b. cooking c. sleeping d grinding 122. Factors that eradicate the medicinal herbs in our society are: a. lack of awareness b. bush burning c. deforestation d. all of the above 123. All this are reasons for using medicinal herbs in our society are; a. the belief that medicinal herbs are less expensive and super b. lack of efficacy of conventional therapies c. Used in order to kill someone d. traditional/cultural preference 124. ……….is often interchangeable with legend or allergy and may be associated with religious/cultural beliefs, feelings or practice a. facts b. myths c. chewing d. smoking 125. ………… has antibacterial potentials PLATO – 08060948531 a. massularria acuminate (pako ijebu) b. azadiracha indica (dongoyaro) c. carica d. all of the above 126. All of these are myths and facts about medicinal herbs except a. herbal efficacy b. multiherbal therapy c. safety d. herbal place 127. Herbs should not be taken with drugs because of occurrence of unwanted herb/drug interactions a. true b. false 128. The African continent has margins (edges) a. passive and active b. positive and negative c. lake teaganyika and lake Victoria d. Edward and turkana 129. ……… is the one that develops on geologically quite cost that is void of earthquakes, volcanoes and young mountain belt a. passive margin b. active margin c. earthquake margin d. volcanous margin 130. Examples of such features of the ocean floor include a. mid ocean ridge, the seamounts and the guyots b. passive and active c. geo and morpho d. hydrography and drainage 131. ………… has been defined as something good to eat a. stone b. food c. bread d. beans 132. Food functions in the body in terms of: a. fighting, killing, storing b. health, growth and normal functions of living organisms c. drinking, turning, dying d. smoking, pounding and cooking 133. They are two main classifications of food a. proper foods and accessory foods b. carbohydrates and proteins c. water and inorganic d. salt and vitamins 134. Water and carbohydrates formula is: a. 2HO and 2H; O b. H2O, 2H;O c. HO2, O; H2 PLATO – 08060948531 d. none of the above 135. It was recorded that a man loses between ………..and ………… pints of water everyday a. 4 and 3 b. 3 and 4 c. 6 and 5 d. 2 and 1 136. …………….. are known to supply most of energy in almost all humanbeing diets a. water b. fats and oils c. carbohydrates d. protein 137. As water is known as important role in life processes such as food digestion ………. Are known for sweetening a. H2O b. carbohydrates c. sugar d. fat and oils 138. Which of these statements is true about fats and oils? a. fats and oils in the diets increase palatability and enhance the flavour (flavouring oils) of foods b. fats and oils is like water in the diets c. fats and oils has its formula like others d. none of the above 139. ………. Was required in small amounts for its metabolism in the diet a. vitamins b. minerals c. water d. fats and oils 140. x-ray machine was introduced by ………… in which year a. wilhem K Roentgen of university of Wurzbury 1895 b. wilhem Karl Landsteiner university of Australia 1901 c. francis becon in 1977 d. Galileo galilei in 1564. 141. ....... Is a concept used in social science analysis to look at roles and activities of men and women a. sex b. age c. gender d. status 142. ……… sector is one of the most important components of the Nigerian economy a. accounting and finance b. industrial c. marketing d. agriculture 143. ………. Are the two main tools used during manual cultivating a. spoon and fork b. hoe and cutlass c. cutlass and spoon d. none of the above PLATO – 08060948531 144. In which year Nigeria introduce cooperative by the colonial government a. 1953 b. 1935 c. 1925 d. 1937 145. All these are type of food except a. perishable foods b. semi-perishable foods c. stable foods d. portable foods 146. True yeast metabolizes sugar producing alcohol and carbon dioxide gas. This is known as fermentation while false yeast grows as a dry film on a food surface, such as on pickle brime. False yeast occurs in food that hace high sugar or high acid environment. a. true b. false 147. The first Conditions Necessary for food spoilage agent to thrive are; a. Suitable PH b. organic food c. air d. suitable temperature 148. All are methods of heating except a. blancing b. pasteurization c. sterilization d. canning 149. ………..Are refers to birds of economic value to human a. poem b. poultry c. prose d. paper 150. Common disease in poultry are except a. coccidiosis b. fowl pox c. all of the above d. none of the above PLATO – 08060948531 S/N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 OPTION C A C D A B B D B D B C D C B D C C B C D B A A A S/N 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 OPTION D A B C C B D A D B A A B B D C B D B D D D A A C S/N 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 OPTION D C A A B D B C D A D B B D C C B B A B A B A B B S/N 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 OPTION D A A A A A A D A A A D B B A B C A D A A A A A D S/N 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 OPTION C B B D D B A A D A C B C B D A C B B B C D C B A S/N 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 EVALUATION STRATEGIES Questions 1. Knowledge Management can be defined as: (a) The process of managing the intellectual aspects - knowledge (b) The act of using available knowledge economically: (c) The process pe value from intellectual capital and sharing the derived value (d) All of these 2. Knowledge Management Functionality includes the following: (a) Exploring, Summarising, Composing and Categorising, Storing and Distributing (b) Searching, Categorising, Composing, Summarising, Storing, Distributing and Workflow (c) Searching, Learning, Composing, Categorising, Summarising and Storing (d) All of these 3. Technology-driven Knowledge Management is defined as: (a) Practices used for sharing organisational knowledge (b) The process of running the organisation using computing devices to aid knowledge sharing (c) The practices and technologies that facilitate the efficient creation and exchange of OPTION B A A A A B B A B B C C A A A C D B B D A B D B C PLATO – 08060948531 knowledge at organisational level (d) All of these 4. the hardware component that is used to input data is the …….. a. monitor b. joystick. C. casing d. keyboard 5. The instruction given to the machine to perform some specific task is called ……… a. recorded video b. hardware c. software d. none of the above 6. The computer storage system can be classified into ……….. a. secondary and nursery storage b. primary and secondary storage c. universal secondary storage d. institution storage 7. Which of the following is the smallest unit of storage? a. byte b. bit c. kilobyte d. megabyte 8. A program is …………….. a. a set of instructions b. a definition of a problem, c. a set of solution d. games theory 9. The following are examples of search engines except ……….. a. Lycose b. Netscape c. Facebook d. Teoma 10. Knowledge Management can be achieved by ……………. a. Knowledge Management Service b. Knowledge Management System c. Knowledge Management Site d. Knowledge Management Serve ADDED QUESTIONS 1. Knowledge Management refers to how knowledge is ------, ------- and --- in an attempt to derive economic value. (a) created, stored and shared (b) created, shared and stored (c) developed, stored and shared (d) programmed, retrieved and stored PLATO – 08060948531 2. CorelDraw, Statistical Package and MS-Publisher are examples of (a) DOS (b) Hybrid Software (c) System Software (d) Application Software 3. International Business Machine Corporation deployed Punched cards and sorting machines as late as --------(a) 1903s (b) 1900s (c) 1953s (d) 1521s 4. The main KM functionalities are the following except (a) Searching (b) Composing (c) Database (d) Workflow 5. According to-----------, a web search engine can be defined as a tool that lets you explore databases containing the text from hundreds of millions of Web Pages. (a) Poremsky (2004) (b) Poremsky (2000) (c) Puremsky (2004) (d) Puremsky (2001) 6. Search Engines can be classified into ------------ categories according to KMRC, 2008 (a) 100 (b) 8 (c) 7 (d) 6 7. The followings are the IT driving of KM functionalities except (a) Groupware (b) Storage Media (c) Search engine (d) Directory 8. --------, ------- and ------- are typical examples Knowledge Management Category Searches. (a) Teoma and Lycos (b) Hotbot, Teoma and Lycos (c) AltaVista, Teoma and Hotbot (d) Euro seek, Teoma and Hotbot 9. KM functionality in organizations refers to the KM objectives of the organization such as searching and retrieving, categorizing, composing.-----------, ------------ and -----(a) summarising, storing and distributing information (b) retrieving, storing and distributing information (c) AltaVista, Teoma and Hotbot (d) Taxonomy, keeping and distributing information 10. --------- is a facilitator that helps in the integration of the phases of the management process through the employment of electronic media. PLATO – 08060948531 (a) Management (b) Knowledge Management Management System (d) Knowledge Management Seekers (c) Knowledge 11. A set of instructions that enables a computer to perform a task is called a----(a) program (b) agenda (c) roles (d) management 12. ------- is a private network accessible only to an organization’s staff. (a) an intranet (b) an internet (c) an extranet (d) unternet 13. ----- is the established flow of information among knowledge-------(a) groupware, KM (b) workflow , workers (c) flow, information (d) data, information 14. ------ is the smallest unit of storage (a) Byte (b) Mega (c) Kilobyte (d) Bit 15. The following are examples of search engine except (a) Teoma (b) Hotbot (c) Whatups (d) Lycos 16. The computer storage system can be classified into-----(a) institution storage (b) removable disk and fixed disk unit (c) primary and nursery storae (d) universe storage 17. ------- creates the meta data in every file (a) XML (b) RDF (c) HMTE (d) all of above 18. ------- and ------- are sorting modes in categorisation (a) loss and gain (b) file format and semantic content (c) ascending and accelerating (d) a to z 19. ------ handles semantic categorisation(a) XML (b) RDF (c) HMTE (d) JPEG 20. GSS stands for…. (a) Groupware Support System (b) Graphic Support System (c) Go Soft System (d) Group Support System PLATO – 08060948531 PLATO – 08060948531 1) In poultry production, 50% of egg production should be observed at (a) 18 weeks (b) 10 weeks (c) 22 weeks (d) 32 weeks (e) 32 weeks 2) Which of the following is not a product of science? (a) law (b) theories (c) principle (d) fact (e) concepts 3) The 17th century can be referred to all but one of the following (a) the century of scientists (b) the century of scientific revolution (c) the century of genius (d) the century of scientific societies 4) The movement to study science by observation and experimentation began in (a) 15th century (b) 16th century (c) 17th century (d) 18th century 5) The first scientist to employ modern scientific method fully in physics and astronomy is (a) Aristotle (b) Francis Bacon (c) Rene Descartes (d) Galileo Galilei (e) Isaac Newton 6) Which of the following correctly describes the most primitive or old method of reasoning in science? (a) Novum Organum, Aristotle (b) Organon, Aristotle (c) New Atlantis, Rene Descartes (d) Novum Organum, Francis Bacon (E) Organum, Aristotle 7) Aristotle’s work organum was based on logic and _________ (a) Inductive reasoning (b) experimentation (c) syllogism (d) deductive reasoning (e) mathematical reasoning 8) Which of the following carefully describes the philosophical work of Francis Bacon? (a) He wrote a book on method of scientific investigation titled Novum organum, 1620 (b) His first book on method of scientific investigation classifies idols that are impediment in learning (c) His second book contains an examination of the inductive method of experimental science (d) Bacon based his method on the process of inductive reasoning (e) all of the above. 9) Rene Descartes principle on philosophy and scientific method of investigation is based on which of the following? (a) Experimentation PLATO – 08060948531 and deduction (b) Experimentation and induction (c) Deduction and mathematical reasoning (d) Induction and mathematical reasoning. 10) Which of the following scientists is known for the laws of planetary motion? (a) Galileo Galilei (b) William Harvey (c) Isaac Newton (d) Johannes Kepler 11) Williams Harvey’s boom titled De Moti Cordis et Sanguinis (on the motion of the heart and blood) was published on what year? (a) 1638 (b) 1738 (c) 1628 (d) 1828 (e) 1728 12) Isaac Newton was born in what year? (a) 1642 (b) 1602 (c) 1742 (d) 1643 (e) 1743 13) ____________ is the birth home of Isaac Newton? (a) Woolshorpe (b)Woolthorpe (c) Woolstorpe (d) Woolsthorp (e) Woolsthorpe 14) Isaac Newton served as a member of parliament in what year? (a) 1695 (b) 1689 (c) 1675 (d) 1699 15) Isaac Newton served as a warder in what year? (a) 1695 (b) 1685 (c) 1689 (d) 1675 (d) 1699 16) What year did Isaac Newton serve as a master of mint? (a) 1695 (b) 1685 (c) 1689 (d) 1675 (e) 1699 17) Isaac Newton’s greatest and most influential book was published in what year? (a) 1695 (b) 1685 (c) 1689 (d) 1687 18) Which of the following correctly describes the title of Newton’s most influential book? (a) philosophiae principia Naturalis Mathematicia (b) Principia philosophiae Naturalis Mathematicia (c) Philosophiae Principia Mathematicia Naturalius (d) Philosophiae Naturalis Principia Mathematicia 19) Isaac Newton became a Knight in what year? (a) 1707 (b) 1705 (c) 1703 (d) 1737 (e) 1704 20) Which of the following is the earliest scientific society or academia? (a) Royale de sciences (b) Royal Academy of sciences (c) Academia die lincei (d) Royal Academy of London 21) Academia die lincei was established in what year? (a) 1560 (b) 1603 (c) 1703 (d) 1655 (e) 1705 22) What year was Academia dei lincei dissolved? (a) 1605 (b) 1667 (c) 1617 (d) 1615 PLATO – 08060948531 23) The Royal Society of London started meeting formally in what year? (a) 1662 (b) 1660 (c) 1670 (d) 1663 24) What year was the journal “Philosophical Transactions” published by the royal society? (a) 1666 (b) 1665 (c) 1667 (d) 1663 (e) 1662 25) Which of the following academy was Galileo Galilei a member of? (a) Royal society of London (b) Academia Secotonum Natima (c) Academia die lincei (d) Royal Academy of sciences 26) Academia Royale des sciences (Royal Academy of Sciences) published its first journal in which year? (a) 1662 (b) 1666 (c) 1672 (d) 1682 27) The first region to identify the importance of national science is? (a) Rome (b) Paris (c)France (d) Russia (e) Germany 28) ____________ was used to describe the period of dramatic economic and terminal change in Britain? (a) Period of Scientific Revolution (b)Period of Dynamic Revolution (c) Period of Industrial revolution (d) Period of technological revolution 29) Identification of every individual is made possible using which of the following? (a) DNA fingerprinting only (b) Blood group only (c) DNA fingerprinting and Blood grouping (d) None of the above 30) __________ has been considered as a universal indicator of households and individuals personal well-being (a) food insecurity (b) Food security (c) GDP (d) Food system. 31) Antigens can be found on the surface of a individual’s ________ (a) White blood cells (b) Red blood cells (c) DNA (d) Leukocytes 32) Blood group is a characteristic property of an individual’s ________ (a) WBC (b) RBC (c) Plasma (d) Antibody 33) What year was ABO blood group system discovered? (a) 1903 (b) 1801 (c) 1901 (d) 1931 34) The Rhesus factor was discovered in _________ (a) 1901 (b) 1930 (c) 1937 (d) 1900 35) Which of the following blood group lacks antigens on the surface of its erythrocyte membrane (a) A (b) B (c) AB (d) O 36) Red Blood Cell is otherwise known as _______ (a) Leucocytes (b) Thrombocytes (c) Erythrocytes (d) Leucocytes 37) White Blood Cell is known as ________ (a) Leukocytes (b) Thrombocytes (c) Erythrocytes (d) Thombocytes PLATO – 08060948531 38) The technique used in the laboratory for sorting DNA particles according to sizes is called _______ (a) Hybridization (b) Predistillation (c) Electrophoresis (d) Electrophorensis 39) ________ can be used for determining parentage as a result of its uniqueness (a) Blood group (b) Rh factors (c) Tandern factors (d) Tandem Repeats 40) _________ is used to refer specifically to a person’s ABO status (a) Blood type (b) Blood group (c) A and B (d) none of the options 41) __________ is used to refer to a person’s ABO status and Rh factor (a) blood group (b) blood types (c) A and B (d) None of the above 42) Antibodies can be formed or produced by ______ (a) RBC (b) platelets (c) WBC (d) thrombocytes (e) Plasma cells. 43) ________ is hemolytic anemia in a foetus caused by transplant transmission of maternal antibodies to fetal Red blood cells. (a) Leucosis (b) Erythro blastosis fetalisis (c) Erythroblastosis fetalis (d) haemolytic anemia. 44) DNA finger print came into use by detectives and police in the laboratories during? (a) 1940s (b) 1930’s (c) 1920s (d) 1830s 45) The scientist that discovered the ABO blood group is (a) Charles Wedner (b) Wemer land stertner (c) Karl Landsterner (d) Joseph Weiner 46) Herbs are taken as ________ when it’s a soft, moist mass of material typically consisting of herbs that is applied to the body to reduce soreness and inflammation (a) infusion (b) poultice (c) decoction (d) lotion 47) Herbs produce chemicals best described as ________ (a) phytohormones (b) phytochemicals (c) phytotoxins (d) metabolites 48) WHO noted in 2004 that of 119 plant derived pharmaceuticals medicine about _________ are used in modern medicine. (a) 75% (b) 84% (c) 74% (d) 76% (e) 94% 49) The inability of a man to keep an erection of the copulatory organ firm enough for sexual intercourse is called ______ (a) Erection (b) Arousal (c) Erectile dysfunction (d) failure of defumed science PLATO – 08060948531 50) Herbs are taken as __________ when it’s a concentrated vapour resulting from heating or boiling. (a) infusion (b) poultice (c) decoction (d) lotion 51) Herbs are taken as _______ when it’s an extract prepared by soaking leaves of plants in liquid. (a) Infusion (b) Poultice (c) Decoction (d) Lotion 52) Which of the following photo chemicals has its concentration relatively high during the mid-day? (a) NO (b) NO2 (c) aldehydes (d) oxidants (e) C and D 53) Which of the following step is not included in the overall photochemical reaction? (a) Absorption of radiation (b) Adsorption of radiation (c) Primary reaction (D) Secondary reaction. 54) Which of the following statement is incorrect for the characteristics variations in the level of pollutants with time of the day? (a) The concentration of hydrocarbons in the atmosphere reaches peak in the morning (b) The concentration of aldehydes and oxidants become relatively low in the mid-day (c) The concentration of NO decreases markedly shortly after dawn (d) The concentration of total hydrocarbons decreases during the daylight hours. (e) All are correct. 55) The largest absolute members of undernourished people occur in (a) Europe (b) Africa (c) Asia (d) Nigeria. 56) __________ has been identified as the principal cause of increasing and accelerated migration from rural to urban areas in developing countries. (a) Food security (b) Poverty (c) Food insecurity (d) Hunger. 57) The largest proportion of the undernourished population in the world exist in (a) South-East Asia (b) India (c) South of Sahara (d) Nigeria. 58) ________ and _______ are fore runners to nutritional, health, human and economic development problems? (a) Poverty and hunger (b) Food security and poverty (c) Poverty and food insecurity (d) food insecurity and hunger 59) API connotes (a) Active Pharmacological Ingredient (b) Active Pharmacopoeia Ingredient (c) Active Pharmaceutical Ingredients (d) Active Pharmaceutical Ingredient PLATO – 08060948531 60) According to WHO 2003, the magnitude of products with high level of impunities and contaminants represent (a) 1% (b) 7.1% (c) 4% (d) 8.5% 61) According to WHO 2003, the magnitude of products with incorrect quantities of active ingredients represents (a) 8.5% (b) 14% (c) 10% (d) 20.2% 62) According to WHO 2003, the magnitude of products without active ingredients represents (a) 20.2% (b) 14.7% (c) 1% (d) 30.2% (e) 32.1% 63) EcoRI, an enzyme found in bacteria DNA only when the sequence _______ occurs (a) GTT AAC (b) AGTTC (c) GATTGA (d) GAATTC 64) Repeated DNA sequence that can help determine an individual’s whented trait or establish paternity and maternity is called _____ (a) Rhigarm sequence (b) Chargaff sequence (c) Tandem sequence (d) Tandem’s repeats 65) According to WHO, 2003, the magnitude of products with wrong ingredients represent (a) 21.4% (b) 24.1% (c) 20.4% (d) 20.2% 66) According to WHO, CMs represents ________ of pharmaceutical trade of which 25% is consumed in developing country (a) 0.1% (b) 14% (c) 11% (d) 10% (e) 13% 67) All but one of the following material is required for alcoholic fermentation to produce ethanol. (a) lignocellulose materials (b) Triglyceric materials (c) sugary materials (d) starchy materials 68) Which of the following represents the percentage composition of Hydrogen in producer gas? (a) 21-24% (b) 2-4% (c) 15-18% (d) 5054% 69) Which of the following represents the percentage composition of maltose in producer gas? (a) 20-22% (b) 2-4% (c) 15-18% (d) 9-11% 70) The process of degrading organic matter in the absence of air to produce methane and carbondioxide is called? (a) Aerobic biogasification (b) Anaerobic gasification (c) Fermentation (d) Anaerobic bio-gasification. 71) Which of the following represents the percentage composition of carbon-dioxide in producer gas? (a) 15-20% (b) 50-53% (c) 0.3-0.5% (d) 20-22% PLATO – 08060948531 72) Biogas can otherwise be called ________ (a) fuel gas (b) natural gas (c) producer gas (d) Gober gas 73) The process of degradation of carbonaceous material under controlled air or pure oxygen at a high temperature is called? (a) Destructive distillation (b) biogasification (c) Gasification (d) combustion 74) The product of tar used in rubber industry as rubber softener is (a) acrylic (b) Acetate (c) Pitch (d) Asphalt 75) _______ is the process of heating wood and agricultural resources in the absence of air at a temperature varying between 540®-1100®c (a) Gasification (b) Biogasification (c) pyrolysis (d) Destructive Combustion. 76) The temperation at the oxidation zone during the prices of gasification is (a) 4000-750®c (b) 200-400®c (c) 750-1000®c (d) 1000®-1400®c 77) The gasification process produces a mixture of gas collectively called ______ (a) Natural gas (b) biogas (c) producer gas (d) fuel gas (e) bed gas 78) The temperature at the pyrolysis zone during the process of gasification is (a) 400-750®c (b) 200-400®c (c) 750-1000®c (d) 100-150®c 79) The percentage composition of nitrogen in producer gas is (a) 78% (b) 50-53% (c) 20-22% (d) 45-52% 80) It is recommended that an individual consumes ___ of crude protein daily (a)56-70g (b)50-86g (c)40-50g (d)65-86g 81) It is recommended that an individual consumes ___ of animal product daily (a)70% (b)10% (c)40% (d)20% 82) The root cause of inadequate access to food is ____ (a)hunger (b)poverty (c)corruption (d)all of the above 83) All except one is not an important aspect of food security (a)quality of the diet (b)stability of supplies overtime (c)availability of foodstuffs (d)space and access to food (e)none of the above 84) The population of children under five years that are underweight in developing country is ____ (a)under 150 million (b)over 150 million (c)under 50 million (d)over 50 million PLATO – 08060948531 85) Which of the following factor plays a direct prominent role in food spoilage? (a)insects (b)time (c)enzymes (d)moisture content (e)physical damage 86) It is estimated that to end hunger in sub-saharan Africa by 2050, an annual average growth rate of ___ in per capita GDP is necessary (a)5% (b)4.5% (c)3.5% (d)10.5% 87) On the basis of spoilage, food may be classified as all of the following except ___ (a)perishable goods (b)semi perishable goods (c)staple foods (d)stable foods 88) API means ___ (a)Active Pharnages Ingredients (b)Active Pharmaceutical Ingredients (c)Active Posterior Intermission (d)None of the above 89) The ___ law defines drug as the label or outer packing of which is an imitation or so resembles as to be calculated to deceive the label or outer packing of a drug manufacture (a)Pakistan Manual of Drug Laws (b)Iranian Manual of Drug Laws (c)Philippines Republic Act No 82036 (d)Nigerian Counterfeit and Fake Drugs Act 90) National Agency for Food Drugs Administration and Control was formed in ___ (a)1993 (b)1994 (c)1995 (d)1996 91) Fake packing or labelling + incorrect quantity of correct ingredient is ____ (a) counterfeit machine (b) adulterated machine (c)substandard machine (d)standard machine 92) ___ is an analytical technique which uses the interaction between light and molecular bonds to characterize individual chemicals such that each compound creates a unique fingerprint (a)Raman spectroscopy (b)Colorimetry (c)Thin layer Chromatography (d)Near Infra-Red 93) ___ instrument is used by NAFDAC to detect counterfeit medicines (a)TruScan Handheld Raman Spectrometer (b)True Scanner Handheld (c)Pass or Fail Raman Spectrometer (d)Pass or Fail True Scan Spectrometer 94) Poultry breeds rear for egg production are called ___ (a)cockerels (b)broilers (c)pullets (d)ostriches 95) Poultry cages are sold in units of all the following except ___ (a)92 (b)48 (c)192 (d)81 PLATO – 08060948531 96) The large feeders used in the poultry are usually ___ (a)1.5-1.8cm length (b)1.8-2.5cm length (c)2.5-2.8cm length (d)0.8-2.5cm length 97) The conditional temperature of ___ is needed in bird’s incubation process (a)37degC (b)43degC (c)39degC (d)33.3degC 98) The conditional relative humidity of ___ is needed in bird’s incubation process (a)50-60% (b)40-50% (c)60-70% (d)20-30% 99) One of the following is not a component of Incubator (a)humidifying device (b)ventilation (c)air turning gas (d)butane gas 100) The management of birds between 0-8 weeks is called ___ (a)brooding (b)pulleting (c)hatching (d)none of the above 101) The average egg size weighs ___ (a)58g (b)59g (c)60g (d)61g 102) Recommended energy level in poultry diets for layers are about ___ (a)2800-2850kcal/kg (b)2900-3000kcal/kg (c)29002950kcal/kg (d)2900-2930kcal/kg 103) Poultry feeds are based on the following factors except ____ (a)nutrient requirement of the bird (b)nutrient composition of the available ingredients and limitation to its use (c)cost of available ingredients (d)cost of raw materials and hybridization 104) Newcastle disease is a ___ disease (a)viral (b)bacterial (c)fungal (d)protozoan 105) The following diseases are associated with poultry except ___ (a)Gumboro (b)Avian flu (c)Infectious Birds Disease (d)Coccidiosis 106) One of the following is not a nutrient deficiency disease (a)Osteoporosis (b)Scurvy (c)Goitre (d)Ricket 107) ___ of children below 5 years of age suffer from wasting and are at risk of death or severe impairment of growth and psychological development (a)9% (b)10% (c)11% (d)12% 108) In 2008, ___ million global deaths of children under 5 years of age suffered through malnutrition (a)8.8 (b)9.0 (c)9.2 (d)9.3 109) Lactobacillus bifidus is a ____ (a)hormone producing bacteria (b)enzymes producing bacteria effect (c)energy producing bacteria acids (d)none of the above 110) Loss of muscle mass is called ____ (a)sarcopenia (b)schizophrenia (c)osteoporosis (d)dysgraphia PLATO – 08060948531 111) ___ results when there is imbalance between energy intake and energy expenditure (a)obesity (b)kwashiorkor (c)diabetes (d)scurvy 112) The scientific revolution of the ___ century fired the desire to know more and the courage to ask questions the more (a)seventeenth (b)eighteenth (c)thirteenth (d)fifteenth 113) H0 is the ____ hypothesis (a)null (b)alternative (c)alternate (d)zero 114) The hypothesis of interest that the investigator wants to ascertain its veracity based on empirical evidence from the sample data is ____ (a)alternate (b)alternative (c)null (d)zero 115) Levels of significance usually used in researches include the following except ___ (a)0.5% (b)5% (c)1% (d)0.1% 116) ___ is a procedure through which we obtain a statement on the truth or falsify of a proposition regarding some characteristics of a population of interest on the basis of empirical or numerical evidence (a)statistical test hypothesis (b)statistical test (c)statistical hypothesis (d)research methods 117) An error that occurs when one fails to reject a null hypothesis that is actually false is _____ (a)Type 11 error (b)Type 1 error (c)relational error (d)critical value error 118) An error that occurs when a researcher incorrectly rejects a true null hypothesis (a)Type 1 error (b)Type 11 error (c)critical value error (d)significant error 119) Trichophyton sp causes ___ in children and adults (a)anthritis (b)goiter (c)ringworm (d)small pox 120) Malaria that is caused Plasmodium sp, a pathogen that resides in the blood of man colonize the red blood cell, feed within it, reproduce it and break it open, thus destroying it. This destruction leads to ___ (a)anaemia (b)goiter (c)trypanosomiasis (d)pneumonia 121) The host that resides in the blood stream of man that causes trypanosomiasis is ___ (a)tsetsefly (b)housefly (c)mosquito (d)ringworm 122) The Royal Society of London was set up according to ____ ideas (a)Bacon’s (b)Galilei’s (c)Newton’s (d)Garvey’s 123) The earth is stationary is backed up by the ___ theory (a)geocentric (b)heliocentric (c)copernican (d)none of the above PLATO – 08060948531 124)The book “De Motu Cordis et Sanguinis” was published by ____ (a)Williams Harvey (b)Isaac Newton (c)Johannes Kepler (d)Francis Bacon 125) All but one does not explain Kepler’s laws of planetary motion (a)the planets describe ellipses about the sun, the sun being in one focus (b)the planets move so that the lines joining the sun to the planet sweep out equal areas of the ellipse in equal times (c)the squares of the periodic times of the planets are proportional to the cubes of the major axes of the orbits (d)the planets move vertically or horizontally joining the tangents of the sun 126) The following except one is not a book written by Johannes Kepler (a)Mysterium Cosmographicum (b)Astronomia Nova (c)Harmonices Mundi (d)Novum Reductio 127) Isaac Newton became “Master of the Mint” in ___ (a)1699 (b)1600 (c)1655 (d)1666 128) Scientists reject authority as the ultimate basis for ___ (a)trial (b)hypothesis (c)truth (d)theory 129) All definition of science revolves around ____ (a)observation (b)experimentation (c)knowledge (d)none of the above 130) Scientia, which means knowledge is a ___ (a)Latin word (b)Greek word (c)Hebrew word (d)Arabic word 131) ___ is the process of heating wood and agricultural residues at temperature varying between 540-1100 degree C in the absence of air near several hours to breakdown plant materials into a complex mixture of liquids (a)pyrolysis (b)combustion (c)reduction (d)solidification 132) Which of the following is a solvent used in paint industry (a)methyl acetate (b)carbonaceous acetate (c)organo-chemicals (d)volatile matters 133) The degradation of organic matter in the absence of air to methane and carbon-dioxide is ____ (a)gasification (b)bio-gasification (c)aerobic bio-gasification (d)anaerobic bio-gasification 134) One is not a material for alcoholic fermentation to producing ethanol (a)sugar (b)starch (c)lignocellulosic materials (d)fatty acids PLATO – 08060948531 135) Biomass is described by the following concept except ____ (a)all organic matter generated through photosynthesis and other biological processes (b)all organic materials generated through biological process (c)biomass includes both terrestrial as well as aquatic matters (d)biomass can be disposed by burning in the open fields to control environmental pollution 136)The vapors of volatile matters that are formed during the distillation process are subsequently condensed to the products below except ___ (a)tar and methanol (b)charcoal and pitch (c)acetic acid and methane acetate (d)oil and gas 137) The gasification process ultimately results in a number of gases which are in mixture. The mixture of these gases are called ____ (a)nitrogen (b)methane (c)natural gas (d)producer gas 138) Examples of renewable energy are listed below except ___ (a)crude oil (b)solar (c)geothermal (d)biomass 139) The use of biomass energy has many environmental benefits except ___ (a)it can help to mitigate climate change, reduce acid rain, soil erosion, water pollution and pressure on landfills (b)it can help to provide wildlife habitat and help maintain forest health through better management (c)it can increase economic development without contributing to the greenhouse effect since biomass is not a net emitter of CO to the atmosphere when it is produced and used sustainably (d)it has benign environmental attributes such as higher sulphur and number of emissions and can help rehabilitate degraded lands 140) A laboratory procedure which involves sorting of the DNA pieces to size by a sieving technique is called ___ (a)electrophoresis (b)loompholes (c)fingerprinting (d)pathogenesis 141) Which of the following is a protozoan disease of poultry (a)gumboro (b)Newcastle disease (c)coccidiosis (d)avian flu 142)Which of the following is not a specific management practice during brooding (a)wing banding (b)administration of appropriate vaccine (c)debeaking (d) culling 143) The most suitable temperature required for brooding is ___ (a)20 deg C (b)40 deg C (c)30 deg C (d)35 deg C PLATO – 08060948531 144) The following conditions are required for incubation except ___ (a)temperature of 37 degC (b)RH of 50-60% (c)appropriate ventilation (d)none of the option 145) The food guide pyramid was introduced in what year ? (a)1972 (b)2001 (c)1992 (d)2005 146) The following are examples of macro nutrients except ___ (a)vitamins (b)carbohydrates (c)protein (d)lipid 147) The average daily intake level required to meet the needs of 97-98% of healthy people in a particular category is called ___ (a)estimated average requirement (b)recommended dietary allowance (c)tolerable upper intake level (d)tolerable upper intake level 148) The highest average daily intake level likely to pose no risk of adverse health effect to most people is ____ (a)recommended dietary requirement (b)recommended average requirement (c)estimated average requirement (d)tolerable upper intake level 149) ____ is a nitrogen containing carbohydrates in breast milk required for the growth of lactobacillus bifidus, a lactic acid producing bacteria (a)lactogenic factor (b)lactoferrin (c)bifidus factor (d)phenylalamine hydroxylase All but one is not an anti-infective properties present in milk (a)immuglobulin (b)white blood cells (c)lactoferrin (d)lysozymes