Name: Period: Biology Honors Midterm Review 1. Which life process is indicated by the arrows in the diagram of an amoeba shown below? January 2010 6. The transfer of energy from nutrients to ATP is accomplished most directly by the process of (1) cyclosis (3) cellular respiration (2) diffusion (4) glucose synthesis 7. If a human system fails to function properly, what is the most likely result? (1) a stable rate of metabolism (2) a disturbance in homeostasis (3) a change in the method of cellular respiration (4) a change in the function of DNA (1) digestion (2) excretion (3) fermentation (4) transport 2. The life function of transport in an organism directly involves those activities used to (1) absorb and distribute materials (2) obtain and hydrolyze materials (3) release energy from food (4) produce cellular waste products 3. An iodine test of a tomato plant leaf revealed that starch was present at 5:00 p.m. on a sunny afternoon in July. When a similar leaf from the same tomato plant was tested with iodine at 6:00 a.m. the next morning, the test indicated that less starch was present. This reduction in starch content most likely occurred because starch was (1) changed directly into proteins (2) transported out of the leaves through the guard cells (3) transported downward toward the roots through tubes (4) changed into simple sugars 4. Which process is a form of autotrophic nutrition? (1) transport (3) fermentation (2) regulation (4) photosynthesis 5. Small, soluble food molecules are converted to larger, insoluble molecules by the process of (1) hydrolysis (3) synthesis (2) respiration (4) fermentation 8. Normally, when the concentration of glucose in the blood falls below a certain level, stored glucose reenters the blood until the original concentration is reached again. This regulation of the concentration of blood glucose is part of the process known as (1) synthesis (3) pinocytosis (2) respiration (4) homeostasis 9. Which statement describes an exception to the cell theory? (1) Cells arise from previously existing cells. (2) The cell is the basic unit of function in animals. (3) Viruses are not composed of cells. (4) The cell is the basic unit of structure in plants. 10. Viruses are considered an exception to the cell theory because they normally reproduce (1) by binary fission (2) only in a host cell (3) sexually by forming seeds (4) asexually by forming spores 11. Which statement best describes one of the events taking place in the chemical reaction represented below? H2O + ATP oATPase ADP + P + energy (1) Energy is being stored as a result of aerobic respiration. (2) Fermentation is taking place, resulting in the synthesis of ATP. (3) Energy is being released for metabolic activities. (4) Photosynthesis is taking place, resulting in the storage of energy. Page 1 Biology Honors 12. The diagram below represents some events that take place in a plant cell. 17. Which organelle contains hereditary factors and controls most cell activities? (1) nucleus (2) cell membrane (3) vacuole (4) endoplasmic reticulum 18. The ribosome is an organelle that functions in the process of (1) phagocytosis (3) protein synthesis (2) pinocytosis (4) cellular respiration 19. Which cellular organelle is represented by diagram below? In which organelle would these events most likely occur? (1) mitochondrion (3) lysosome (2) chloroplast (4) centriole 13. The flow of energy through an ecosystem involves many energy transfers. The diagram below summarizes the transfer of energy that eventually powers muscle activity. The process of cellular respiration is represented by (3) arrow C, only (1) arrow A, only (4) arrows A, B, and C (2) arrow B, only 14. What is the net gain in ATP following completion of aerobic cellular respiration of one molecule of glucose in a brain cell? (1) 30 (3) 36 (2) 2 (4) 4 (1) protein (2) molecules (3) plasma membrane (4) cell wall 20. The arrows in the diagrams below represent the direction of movement of a certain type of molecule through the cell membrane of two different cells. The dots represent the relative concentrations of this molecule. 15. Which substance is needed for aerobic cellular respiration to occur? (1) oxygen (3) nitrogen (2) carbon dioxide (4) methane 16. Based on their respiration and nutrition, humans are usually classified as (1) aerobic autotrophs (2) aerobic heterotrophs (3) anaerobic autotrophs (4) anaerobic heterotrophs Which processes are illustrated in the diagrams? (1) phagocytosis and diffusion (2) pinocytosis and osmosis (3) active transport and diffusion (4) dehydration synthesis and circulation Page 2 Biology Honors 21. The process in which the net movement of molecules is from a region of lower concentration to a region of-higher concentration is known as (1) active transport (3) osmosis (2) diffusion (4) passive transport 27. Base your answer to the following question on the diagrams below which represent two different cells. 22. After a cookie has been digested, glucose molecules enter the bloodstream by the process of (1) phagocytosis (3) ingestion (2) diffusion (4) pinocytosis 23. A biologist observed a plant cell in a drop of water and illustrated it as in diagram A. He added a 10% salt solution to the slide, observed the cell, and illustrated it as in diagram B. Cell II most likely represents a plant cell due to the presence of (3) E (1) A (2) B (4) F 28. Which two organisms in the chart below have chromosomes that are most similar in genetic composition? The change in appearance of the cell resulted from more (1) salt flowing out of the cell than into the cell (2) salt flowing into the cell than out of the cell (3) water flowing into the cell than out of the cell (4) water flowing out of the cell than into the cell 24. Ursus horribilis, the scientific name for the grizzly bear, refers to the bear's (1) kingdom and phylum (2) kingdom and species (3) genus and phylum (4) genus and species 25. Which formula represents an organic compound? (1) NH3 (2) H2O (3) NaCl (4) C12H22O11 26. The body normally responds to low concentrations of sugar in the blood by secreting (1) glucagon (3) insulin (2) estrogen (4) testosterone (1) A and B (2) A and D (3) B and C (4) C and D 29. A general equation for a chemical reaction is shown below. Which substance is represented by letter A? (1) amylase (3) protease (2) lipase (4) maltase 30. The ability of certain hormones to attach to a cell is primarily determined by the (1) receptor molecules in the cell membrane (2) proteins in the cytoplasm of the cell (3) amount of DNA in the cell (4) concentration of salts outside the cell Page 3 Biology Honors Base your answers to questions 31 and 32 on the list of three equations below. Select the equation that is most closely associated with that statement. 31. This equation represents the digestion of a lipid. (1) 1 (2) 2 (3) 3 32. This equation represents a process that results in the formation of amino acids. (1) 1 (2) 2 (3) 3 33. Which word equation represents a type of fermentation? (1) glucose o lactic acid + energy (2) glucose + oxygen o carbon dioxide + water + energy (3) starch + water o simple sugars (4) carbon dioxide + water o glucose + oxygen + water 34. The removal of carbon dioxide and nitrogenous wastes from an organism illustrates the life function known as (1) regulation (3) respiration (2) nutrition (4) excretion Page 4 Biology Honors 35. Some structural formulas of organic molecules are shown below. Which structural formulas represent carbohydrate molecules? (1) 1 and 5 (2) 2 and 4 (3) 3 and 2 (4) 4 and 3 36. The secretion of chemicals that stimulate responses in specific body tissues is a function of (1) the nervous system, only (2) the endocrine system, only (3) both the nervous system and the endocrine system (4) neither the nervous system nor the endocrine system 37. Which substances are metabolic waste products excreted by animals? (1) oxygen, ammonia, and salts (2) glucose, urea, and carbon dioxide (3) uric acid, oxygen, and water (4) water, urea, and carbon dioxide 38. Regulation of body temperature in humans is most closely associated with the (1) production of gametes (2) evaporation of sweat (3) absorption of carbon dioxide (4) production of hydrolytic enzymes Page 5 Biology Honors 39. Base your answer to the following question on the information and diagram below and on your knowledge of biology. A student conducted an investigation on fermentation. Yeast, molasses, and water were combined in a fermentation tube and left for several hours at room temperature. The results are shown below. If the fermentation tube had been maintained at 60ºC instead of at room temperature, the substance in area X would not have been produced. Which statement is the best explanation for this? (1) ADP molecules are destroyed at 60ºC. (2) High temperatures denature enzymes. (3) Molasses turns to starch at 60ºC. (4) Gases cannot form at high temperatures. 40. In addition to water, the principal components of urine are (1) amino acids and fatty acids (2) urea and salts (3) ammonia and bile (4) hydrochloric acid and bases 41. Which disease is linked to smoking and results in a reduction in the number and elasticity of alveoli? (1) emphysema (3) bronchitis (2) asthma (4) meningitis 42. Dissolved nutrients, wastes, and oxygen are exchanged between the blood and intercellular fluid through the walls of (1) arteries (3) capillaries (2) veins (4) ventricles 43. Which indicator should be used to help identify the building blocks of maltose? (1) Lugol's iodine (3) Benedict's solution (2) pH paper (4) bromthymol blue Page 6 Biology Honors 44. The diagram below shows how food is processed in an organism. In animals, letter X most likely represents (1) digestion (2) synthesis 45. Which sequence most correctly represents the network of passageways which normally permits air to flow from the external environment to the human lungs? (1) nasal cavity, bronchioles, trachea, pharynx, bronchi (2) nasal cavity, pharynx, trachea, bronchi, bronchioles (3) nasal cavity, trachea, pharynx, bronchi, bronchioles (4) nasal cavity, bronchi, bronchioles, pharynx, trachea 46. The diagram below represents part of a capillary in a specific region of the human body. (3) release into the environment (4) use as a neurotransmitter 48. The diagram below represents several human blood cells as observed through a compound microscope. Which function is associated with cell X? (1) antibody production (2) oxygen transport (3) phagocytosis (4) peristalsis 49. Human blood types in the ABO blood group are identified by (1) a series of enzyme-controlled synthesis reactions (2) microscopic examination of white blood cells (3) antigen-antibody reactions (4) clotting factors in the plasma The region labeled X represents part of (1) a glomerulus (3) a villus (2) an alveolus (4) the liver 47. Oxygen transport in humans involves the bonding of oxygen with (1) white blood cells (2) platelets (3) hormones (4) hemoglobin molecules 50. Which structures secrete chemicals utilized for the completion of digestion within the small intestine? (1) liver and pancreas (2) glomerulus and villi (3) esophagus and alveoli (4) gallbladder and pharynx 51. Which activity normally occurs in the esophagus of a human? (1) hydrolysis of protein (2) process of peristalsis (3) secretion of amylase (4) absorption of cellulose Page 7 Biology Honors 52. In humans, most of the final phases of chemical digestion and the absorption of nutrients occur in the (1) liver (3) large intestine (2) stomach (4) small intestine 53. Which process is represented by the diagram below? (1) emulsification (2) excretion (3) absorption (4) peristalsis 54. The absorptive surface of the small intestine is greater than that of other human digestive organs because of its length and the presence of (1) alveoli (3) villi (2) neurons (4) nephrons 55. Two chemical equations are shown below. What do letters A and B represent? (1) A – lipase; B – protease (2) A – protease; B – maltase (3) A – maltase; B – lipase (4) A – maltase; B – protease 56. Which term is used to represent all of the physiological activities carried on by an organism? (1) regulation (3) homeostasis (2) metabolism (4) synthesis 57. After a hormone enters the bloodstream, it is transported throughout the body, but the hormone affects only certain cells. The reason only certain cells are affected is that the membranes of these cells have specific (1) receptors (3) antibodies (2) tissues (4) carbohydrates Page 8 Biology Honors 58. A process that occurs in the human body is shown in the diagram below. What would happen if a temperature change caused the shape of the active site to be altered? (1) The dipeptide would digest faster. (2) The dipeptide would digest slower or not at all. (3) The amino acids would combine faster. (4) The amino acids would combine slower or not at all. 59. The diagram below represents the actions of two hormones in the human body. This diagram best illustrates (1) recombination (3) insertion (2) feedback (4) deletion 60. Feedback mechanisms are best described as processes that help (1) reduce hormone levels to below normal in the blood (2) destroy hormones in the blood (3) directly control muscle contraction in the leg (4) keep body conditions near a normal, steady state 61. An organism develops active immunity as a result of (1) manufacturing its own antigens (2) producing antibodies in response to a vaccination (3) receiving an injection of antibodies produced by another organism (4) receiving an injection of a dilute glucose solution Page 9 Biology Honors 62. Two views of the same onion epidermal cells, as seen with a compound light microscope, are shown in the diagram below. What was most likely done to change the view from A to B? (1) Lugol's iodine solution was added to the cells. (2) The 40× objective was switched to the 10× objective. (3) The 10× objective was switched to the 40× objective. (4) Salt water was added to the cells. 63. Which response usually occurs after an individual receives a vaccination for influenza virus? (1) Hormones in the blood inhibit reproduction of the virus. (2) Antigens from the vaccine deactivate the virus. (3) Enzymes released from platelets hydrolyze the virus. (4) Antibodies against the virus form in the blood. 64. An individual who has had chicken pox rarely gets this disease again. This situation is an example of (1) biological control (3) active immunity (2) negative feedback (4) passive immunity 65. Newborn infants nursing from their mother receive milk containing antibodies against diseases to which the mother is immune. The infants, however, remain immune to those diseases for only a short time. This situation is an example of (1) active immunity (2) passive immunity (3) an oral vaccine (4) a phagocytic activity 66. The chemical that causes the allergic response during an asthma attack is (1) estrogen (3) histamine (2) acetylcholine (4) methane 67. An inorganic molecule required by green plants for the process of photosynthesis is (1) oxygen (3) carbon dioxide (2) starch (4) glucose Page 10 Biology Honors Base your answers to questions 68 through 71 on the diagram below, which is a concept map that shows the relationship between photosynthesis and respiration, and on your knowledge of biology. 68. Which molecule belongs in area A? (1) deoxyribonucleic acid (2) adenosine triphosphate (3) PGAL (4) C6H12O6 69. In which cell organelle do the reactions that belong in areas B and C occur? (1) mitochondrion (3) endoplasmic reticulum (2) chloroplast (4) Golgi complex 70. Which molecule belongs in area X? (1) lactic acid (2) carbon dioxide (3) water (4) oxygen 71. Which molecule belongs in area Y? (1) water (2) oxygen (3) glucose (4) hydrogen 72. During the preparation of a wet mount of an Elodea leaf, a student dropped a plastic cover slip directly on top of the drop of water containing the specimen on the slide. This slide preparation technique most probably (1) caused the cover slip to shatter (2) crushed the specimen (3) trapped air bubbles under the cover slip (4) scratched the surface of the slide Page 11 Biology Honors 73. Which process is best illustrated by the diagram? (1) respiration (2) photosynthesis (3) transpiration (4) hydrolysis 74. The diagram below represents part of a life process in a leaf chloroplast. Base your answers to questions 76 and 77 on the diagram below and on your knowledge of biology. The diagram shows cells as seen in the high-power (400× ) field of view of a compound light microscope. 76. What is the approximate diameter of cell A in micrometers? (1) 1 (3) 150 (2) 100 (4) 250 77. If the microscope is switched to low power (100×), approximately how many complete cells the size of cell A could be viewed side by side across the diameter of the low-power field of view? (1) 5 (3) 20 (2) 10 (4) 80 78. Base your answer to the following question on the diagrams below and on your knowledge of biology. If the process illustrated in the diagram is interrupted by a chemical at point X, there would be an immediate effect on the release of (1) chlorophyll (3) carbon dioxide (2) nitrogen (4) oxygen 75. Diagrams, tables, and graphs are used by scientists mainly to (1) design a research plan for an experiment (2) test a hypothesis (3) organize data (4) predict the independent variable Which microscope setup would allow a student to see the largest field? (3) C (1) A (2) B (4) D Page 12 Biology Honors 79. The diameter of a microscope field under low power (100×) is 2,000 micrometers. Which diagram best shows how a paramecium 500 micrometers long would appear under high power (400×)? (1) (2) (3) (4) 80. A student conducted an original, well-designed experiment, carefully following proper scientific procedure. In order for the conclusions to become generally accepted, the experiment must (1) contain several experimental variables (2) be repeated to verify the reliability of the data (3) support the original hypothesis (4) be conducted by a scientist 81. Why do scientists consider any hypothesis valuable? (1) A hypothesis requires no further investigation. (2) A hypothesis may lead to further investigation even if it is disproved by the experiment. (3) A hypothesis requires no further investigation if it is proved by the experiment. (4) A hypothesis can be used to explain a conclusion even if it is disproved by the experiment. 82. To test the effect of hormones on plant growth, six potted plant seedlings of the same species were measured and then sprayed with auxin (a growth hormone). After four weeks of growth under ideal conditions, the plants were measured again. To set up a proper control for this experiment, the investigator should (1) spray the same plants with different amounts of auxin (2) spray auxin on six plant seedlings of the same species and grow them in the dark for four weeks (3) wash the auxin off three of the plants after two weeks (4) grow another six plant seedlings of the same species under the same conditions, spraying them with distilled water only 83. Which statement describes the best procedure to determine if a vaccine for a disease in a certain bird species is effective? (1) Vaccinate 100 birds and expose all 100 to the disease. (2) Vaccinate 100 birds and expose only 50 of them to the disease. (3) Vaccinate 50 birds, do not vaccinate 50 other birds, and expose all 100 to the disease. (4) Vaccinate 50 birds, do not vaccinate 50 other birds, and expose only the vaccinated birds to the disease. 84. One type of anaerobic respiration results in the production of (1) water and oxygen (2) pyruvic acid and glycerol (3) nitrogen gas and ammonia (4) alcohol and carbon dioxide Page 13 Biology Honors 85. A student measures his pulse rate while he is watching television and records it. Next, he walks to a friend’s house nearby and when he arrives, measures and records his pulse rate again. He and his friend then decide to run to the mall a few blocks away. On arriving at the mall, the student measures and records his pulse rate once again. Finally, after sitting and talking for a half hour, the student measures and records his pulse rate for the last time. Which graph below best illustrates the expected changes in his pulse rate according to the activities described above? (1) (3) (2) (4) 86. An increase in heart rate will most likely result in (1) a decrease in metabolic rate (2) an increase in pulse rate (3) an increase in cell division (4) a decrease in body temperature Page 14 Biology Honors 87. A student fills a dialysis membrane bag with a mixture of red dye, yellow dye, and water. He soaks the bag in pure water for 24 hours and then observes that the water outside the bag turns yellow. Which statement best explains the results of this experiment? (1) Water diffused into the membrane bag. (2) The dialysis membrane actively transported yellow dye molecules. (3) Only red dye diffused through the membrane. (4) The yellow dye molecules are smaller than the red dye molecules 88. The presence of lactic acid in the cells of an animal's muscle tissue is an indication that the (1) animal is not adapted to the use of glucose (2) number of mitochondria in the muscle cells has increased (3) animal carries on a complex form of respiration during daylight hours (4) muscle cells have been active during a period of oxygen deficiency 89. Base your answer to the following question on the diagram below and on your knowledge of biology. The process represented in the diagram best illustrates (1) cellular communication (2) muscle contraction (3) extraction of energy from nutrients (4) waste disposal Page 15 Biology Honors 90. Base your answer to the following question on the information below and on your knowledge of biology. You are the head of the research division of the Leafy Lettuce Company. Your company is experimenting with growing lettuce using hydroponic technology. Hydroponic technology involves growing plants in containers of growth solution in a greenhouse. No soil is used. The growth solution that the company uses contains water, nitrogen, and phosphorus. The company wants to know if adding iron to this formula will improve lettuce growth. Briefly describe how to test the effect of the formula with iron added. In your description, be sure to: • • • • state a hypothesis to be tested in the new experiment state how the control group will be treated differently from the experimental group identify two factors that must be kept the same in both the experimental and control groups state what type of data should be collected to support or refute the hypothesis Page 16