Name: Score: Section: Multiple Choice. Encircle the letter of the correct answer. 1. Anything that has volume and mass is called a. Atom b. matter c. molecule d. density 2. It is measure of the space occupied by an object a. Volume b. mass c. density d. weight 3. It is the smallest particle of an element that has all the properties of the element a. Solid b. molecule c. atom d. matter 4. Which statement is NOT the difference between mass and weight? a. Mass measure the amount of matter in object while weight measures of the gravitational force on an object b. Mass expressed in kilograms, grams and milligrams while weight expressed in Newton c. Mass measured with a balance while weight measured with a spring scale d. Mass varies depending on where the object is in the relation to the earth while weight always constant, no matter the location 5. Which is NOT a matter? a. Sugar granules b. air inside the ball c. smoke d. heat 6. When you add the 50 ml water to the sugar and mix thoroughly until all the sugar dissolves. What is the taste of the resulting mixture? a. Sweet b. tasteless c. sour d. hot 7. Is the volume of the resulting sugar mixture ____ than the sum (20ml sugar+ 50 ml water) of the volume of the unmixed sugar and water? a. Equal b. more c. less d. hot 8. Which of the following has the strongest force of attraction between the particles? a. Solid b. liquid c. gas d. vacuum 9. Which best describe the particles of a solid? a. Completely unmoving b. Have large spaces in between c. Vibrating at fixed position d. Have a weak attractive force 10. Which statement explain matter is made up of tiny particles with moving all the time. a. Air, being a gas, can be compressed because there are large spaces between the particles so that particles can be made to come closer to each other b. The particles of liquid water are closer to each other and it is difficult to push them even closer to each other c. The food coloring flowed along the side of the bottle and spread shortly towards the bottom of the container and began to spread throughout the water d. All of the above 11. Which of the following statement is FALSE regarding the particles model of matter? a. Matter is composed of tiny particles b. The space in between the particles are filled with air c. The particles of matter attract each other d. The particles of matter are constantly moving 12. What happens to the particles of liquid when it is heated? a. The spaces between the particles continue to decrease b. The attractive forces between the particles start to weaken c. The particles slowdown d. The particles spent repel each other 13. Why a gas spreads? a. The particles vibrate a little but in these fixed position b. The attraction between particles is negligible because of the large distance between them c. The particles are closer to one another, nudging one another as they move d. The particles are attracted to one another 14. Why is it that the liquid can flow out of a container and can be poured into another while monitoring their volume? a. Because there are attraction among the particles of liquid which hold them together although not in fixed position b. Because the particles move and change in position but not a freely as those in gas c. Particles are large and so there is room for the particles to move closer d. Because it has fixed volume 15. The solid have the following characteristics properties, except a. Have fixed shape and fixed volume b. Cannot be compressed easily c. have high density d. generally flow easily 16. It is a particle consisting of two or more atoms combined together in a specific arrangement a. Mass b. molecule c. atom d. matter 17. It creates a profile of the surface of an atom and then a computer generated model or contour map is produced a. Microscope b. computer c. telescope d. scanning tunneling microscope 18. What is the process in which a liquid is changed to a solid? a. Freezing b. Melting c. condensing d. evaporate 19. Which of the following is NOT a way that matter changes phase? a. Melting b. freezing c. evaporation d. mixing 20. What changes take place when water is left in an open container? a. The water molecule turned from liquid to gas and escaped to the air b. The water molecule did not escape and were left in the liquid c. The liquid water becomes solid water d. None of the above 21. Most of the water on the surface of the liquid will turn from liquid to gas. Explain why? a. The water molecules which did not escape and were left in the liquid have lower average kinetic energy b. Because the higher the temperature will cause the particles of water to move much faster and have more energy to escape from the surface of the liquid c. Molecules of water that previously evaporated are condensing d. All of the above 22. What is the difference between evaporation and boiling? a. During evaporation, the water molecules evaporate only from the surface of the liquid but during boiling, water molecules evaporate both from surface and within the liquid b. Evaporation can occur at specific temperature and pressures but boiling takes place at low or high temperature c. Temperature of liquid increases as it boils the same with evaporation d. All of the above 23. How the water change from gas to liquid? a. When a gas is cooled, the motion of the particles slow down b. If the particles lose motion and cause them to come closer with one another to become a liquid c. As the water is heated and the temperature of the water rises, the molecules gain more kinetic energy and they move faster d. All of the above 24. Molecules that escape to the gaseous phase is called a. Water vapor b. melting c. evaporation d. condensation 25. As water is heated and the temperature of the water rises, the molecules gain more kinetic energy and they move faster. a. True b. False c. maybe d. it depends 26. What is the basic building blocks of all matter? a. Atom b. molecules c. matter d. vacuum 27. Atoms are composed of three types of particles except, a. Protons b. electrons c. Neutrons d. subatomic particles 28. What force holds all the parts of an atom together? a. Gravitational force c. magnetic force b. Electromagnetic force d. none of these 29. Which of the following best describes an atom? a. Protons and electrons grouped together in a random pattern b. Protons and electrons grouped together in an alternating pattern c. A core of protons and neutrons surrounded by electrons d. A core of electrons and neutrons surrounded by protons 30. Which are found in nucleus of an atom? a. Electrons and protons c. neutrons and electrons b. Neutrons and protons d. none of these 31. A group of scientist tested Thomson's model by bombarding a very thin sheet foil with positively charged alpha particles. Their experiment is referred as a. Plum Pudding Model c. alpha particle scattering experiment b. Raisin bread model d. none of these 32. Which of the following sub – disciplines of biological sciences studies about the functions of living organisms and their parts? a. Physiology c. Cytology b. Genetics d. Zoology 33. Which one of the following statements is the contribution of biology to the society? a. Reduce the rate of useful traditional practices b. Increasing agricultural productivity c. under evaluating the effect of deforestation d. Introducing bad farming practices 34. Which organism is correctly matched with its structure of locomotion? a. Euglena – cilia b. Bacterium – flagellum c. Amoeba – cilia d. Paramecium – pseudopodia 35. Compared to plant cells, animal cells a. have chlorophyll c. have cell wall b. are smaller in size d. have large vacuole 36. A plant organ that mainly involved in transpiration and gaseous exchange is the a. root c. stem b. leaf d. flower 37. Which of the following farm animals has 150 days of pregnancy period? a. Horses c. Camel b. Cow d. Sheep 38. Which one of the following is true about the process of fertilization in plants? It a. occurs when male gametes fused each other. b. is the fusion of pollen grain and ovule on the stigma. c. usually occurs when female gametes fused each other in the ovary. d. is the union of male and female gametes in the ovary. 39. What make insects to be the most diverse groups of animals? Their a. body size b. ability to fly c. ability to live in different habitats d. ability to feed all kinds of plants 40. Which insect involve incomplete metamorphoses in its cycle? a. Fly c. butterfly b. Honey bee d. Grass Hopper 41. A method of preventing soil erosion by planting of trees on a land is a. afforestation c. terracing b. contour plowing d. crop residue cover 42. Driving herd of cattle back and forth across affected areas is a traditional controlling method of a. maize stalk borer c. tsetse flies b. armyworm d. grass hopper 43. Which of the following characteristics is specific to social insects? a. Complete metamorphosis c. Formation of large colonies b. Vector of a disease d. Incomplete metamorphosis 44. What is habitat? It is the a. interaction between an organism and its environment b. place where an organism lives and reproduces. c. group of individuals of the same species in an area. d. group of individuals of different species in an area. 45. All of the living organisms and non-living part of a specific area and their interaction is termed as a. biosphere c. community b. habitat d. ecosystem 46. Planting indigenous trees is more important than exotic tress. This is because they a. compete resources b. are well adapted to the climate of an area c. degrade biodiversity of a given area. d. pollute the environment 47. What is the first step in growing trees? a. Selecting the type of tress to be planted b. Choosing the purpose of the tree planting c. Identifying the purpose of the tress planting d. Obtaining seeds of trees to be planted 48. Suppose you wants to collect and preserve plants from your village. You removes the plant whole from the ground. Then you washes it to remove the soil and makes sure that the roots are not damaged. Which of the following is the next step of this activity? a. Labelling c. Mounting b. Cutting d. Pressing 49. If a grass is eaten by mouse, the mouse is also eaten by the snake and finally the sake is eaten by hawk, why do you call such feeding relationship of organisms in an area? a. Food chain c. Food web b. Parasitism d. Mutualism 50. Which one of the following events is occurred in the process of photosynthesis? a. Light energy is used to power conversion of oxygen into glucose b. Organic compounds are converted in inorganic compounds c. More amount of oxygen is consumed in the process d. Light energy is absorbed and splits water molecules
