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1 Name: Class: Date: ID: A Biology Test #2 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. As a result of diffusion, the concentration of many types of substances a. always remains greater inside a membrane. b. eventually becomes balanced on both sides of a membrane. c. always remains greater on the outside of a membrane. d. becomes imbalanced on both sides of a membrane. 2. Diffusion takes place a. only through a lipid bilayer membrane. b. from an area of low concentration to an area of high concentration. c. only in liquids. d. from an area of high concentration to an area of low concentration. Concentration of Water and Solutes in Four Adjacent Cells 3. Refer to the illustration above. Which cell is most likely to lose both water molecules and solute molecules as the system approaches equilibrium? a. cell A c. cell C b. cell B d. cell D 4. Refer to the illustration above. In this system, solute molecules in cell B are most likely to a. remain in cell B. c. diffuse into cell A. b. adhere to cell B's membrane. d. diffuse into cell D 5. Refer to the illustration above. In this system, water molecules are most likely to diffuse in which direction? a. from A to B c. from D to C b. from B to D d. from C to A 6. The dispersal of ink in a beaker of water is an example of a. diffusion. c. active transport. b. osmosis. d. endocytosis. 1

2 Name: ID: A 7. Which of the following is not characteristic of facilitated diffusion? a. It requires a carrier protein. b. It moves substances against a concentration gradient. c. It requires no energy input. d. It involves a change in the shape of its carrier. 8. Which of the following does not expend energy? a. diffusion c. active transport b. chemiosmosis d. a sodium-potassium pump 9. The process by which water passes into or out of a cell is called a. solubility. c. selective transport. b. osmosis. d. endocytosis. 10. Refer to the illustration above. The process shown is called a. osmosis. c. active transport. b. facilitated diffusion. d. diffusion. 11. The sodium-potassium pump usually pumps a. potassium out of the cell. b. sodium into the cell. c. potassium into the cell. d. only a potassium and sugar molecule together. 12. Ridding the cell of material by discharging it from sacs at the cell surface is called a. chemiosmosis. c. exocytosis. b. exorcism. d. endocytosis. 13. Molecules that are too large to be moved across a cell membrane can be removed from the cell by a. diffusion. c. lipid carriers. b. exocytosis. d. osmosis. 14. Molecules that are too large to be moved through the membrane can be transported into the cell by a. osmosis. c. lipid carriers. b. endocytosis. d. diffusion. 15. The smallest units of life in all living things are a. cells. c. cytoplasm. b. mitochondria. d. Golgi apparatus. 16. When the volume of a cell increases, its surface area a. increases at the same rate. c. increases at a faster rate. b. remains the same. d. increases at a slower rate. 2

3 Name: ID: A 17. Surface area is an important factor in limiting cell growth because a. the cell can burst if the membrane becomes too large. b. materials cannot enter the cell if it is too large. c. the cell may become too large to take in enough food and to remove enough wastes. d. waste products cannot leave the cell if it is too small. 18. The size to which a cell can grow is limited by its a. location. c. function. b. structure. d. surface area. 19. One difference between prokaryotes and eukaryotes is that a. nucleic acids are found only in prokaryotes. b. mitochondria are found in larger quantities in eukaryotes. c. Golgi vesicles are found only in prokaryotes. d. prokaryotes have no nuclear membrane. 20. Only eukaryotic cells have a. DNA. c. ribosomes. b. membrane-bound organelles. d. cytoplasm. 21. Studying a picture of a cell taken with an electron microscope, you find that the cell has no nucleus and no mitochondria, but it does have a cell membrane and a cell wall. You conclude that the cell is probably from a(n) a. animal. c. prokaryote. b. plant. d. now extinct organism. 22. Cell membranes a. are only found on a small number of cells. b. contain genes. c. are made of DNA. d. are thin coverings that surround cells. 23. The structure that regulates what enters and leaves the cell is called a. the nucleus. c. the nuclear membrane. b. the cell wall. d. the cell membrane. 24. The cell membrane a. encloses the contents of a cell. b. allows material to enter and leave the cell. c. is selectively permeable. d. All of the above 25. A structure within a cell that performs a specific function is called a(n) a. organelle. c. tissue. b. organ tissue. d. biocenter. 26. A particularly active cell might contain large numbers of a. chromosomes. c. mitochondria. b. vacuoles. d. walls. 27. In which of the following organelles is a cell s ATP produced? a. mitochondrion c. Golgi apparatus b. endoplasmic reticulum d. lysosome 28. Proteins are made in cells on the a. mitochondria. c. nucleus. b. ribosomes. d. cell membrane. 3

4 Name: ID: A 29. The packaging and distribution center of the cell is the a. nucleus. c. central vacuole. b. Golgi apparatus. d. nuclear envelope. 30. The double membrane surrounding the nucleus is called the a. nucleolus. c. nucleoplasm. b. nuclear wall. d. nuclear envelope. 31. All cells have a. a covering called a membrane that surrounds the cell and controls what information and materials enter and leave it. b. an internal fluid that gives shape to the cell and supports the other things within it. c. a central zone or nucleus that contains the cell's genes. d. All of the above 32. All the following are found in both plant and animal cells, except a. a cell wall. c. mitochondria. b. a cell membrane. d. the endoplasmic reticulum. 33. How are chloroplasts like mitochondria? a. They can both use energy from sunlight. b. They look alike. c. They both manufacture food and release energy. d. They are both found in animal cells. 34. The organelles associated with photosynthesis are the a. mitochondria. c. Golgi apparatus. b. chloroplasts. d. vacuoles. 35. The organelles in plant cells that contain a green pigment are the a. mitochondria. c. chloroplasts. b. bilayer lipids. d. Golgi apparatus. 36. Plant cells have large membrane-bound spaces in which water, waste products, and nutrients are stored. These places are known as a. mitochondria. c. Golgi apparatus. b. chloroplasts. d. vacuoles. 37. Plant cells a. do not contain mitochondria. b. have a cell wall instead of a cell membrane. c. have a large vacuole instead of a Golgi apparatus. d. have chloroplasts and a cell wall. 38. Which of the following is the correct order of organization of structures in living things, from simplest to most complex? a. organ systems, organs, tissues, cells b. tissues, cells, organs, organ systems c. cells, tissues, organ systems, organs d. cells, tissues, organs, organ systems 39. Nonpolar molecules have a. no negative or positive poles. c. only a negative pole. b. both negative and positive poles. d. only a positive pole. 40. A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a a. nonpolar molecule. c. charged molecule. b. polar molecule. d. bipolar molecule. 4

5 Name: ID: A 41. Water is important to life because it a. surrounds all cells. b. is found inside cells. c. influences the shape of the a membrane. d. All of the above 42. All organic compounds contain the element a. C. c. Ca. b. N. d. Na. 43. Which organic molecule below is classified as a carbohydrate? a. amino acid c. nucleotide b. CH 2 chain d. sugar 44. Polysaccharides are a. carbohydrates. c. proteins. b. lipids. d. unsaturated fats. 45. Amino acids are monomers of a. disaccharides. c. nucleotides. b. proteins. d. steroids. 46. Which organic molecule below is most closely related to proteins? a. amino acids c. nucleotides b. CH 2 chains d. sugars 47. Long chains of amino acids are found in a. carbohydrates. c. proteins. b. lipids. d. sugars. 48. Amino acids are monomers of a. disaccharides. c. nucleotides. b. proteins. d. steroids. 49. All of the following are examples of lipids except a. saturated fats. c. cholesterol. b. starch. d. earwax. 50. Lipids are soluble in a. water. c. oil. b. salt water. d. All of the above 51. Atoms are composed of a. protons with a positive charge. c. electrons with a negative charge. b. neutrons with no charge. d. All of the above 52. All matter in the universe is composed of a. cells. c. atoms. b. molecules. d. carbon. 53. The electrons of an atom a. are found in the nucleus along with the protons. b. orbit the nucleus in various energy levels. c. have a positive charge. d. are attracted to the positive charge of neutrons. 54. Which of the following states of matter contain(s) particles that are tightly linked together in a definite shape? a. solid c. gas b. liquid d. solid and liquid 5

6 Name: ID: A Assume that each of the atoms below requires eight electrons to fill its outer energy level. 55. Refer to the illustration above. Which of the atoms is chemically stable? a. Atom A c. Atom C b. Atom B d. None of the above 56. Refer to the illustration above. If Atom C interacted with Atom B to form an ionic bond, Atom C would a. lose 6 electrons. c. gain 5 electrons. b. gain 2 electrons. d. move 4 electrons into the nucleus. 57. Refer to the illustration above. If Atom B interacted with Atom C to form an ionic bond, Atom B would a. gain 6 electrons. c. lose 2 electrons. b. lose 4 electrons. d. move 2 electrons into the nucleus. 58. The bond formed when two atoms share a pair of electrons is called a a. hydrogen bond. c. covalent bond. b. nonpolar bond. d. water bond. 59. Sharing of electrons in the outer energy levels of two atoms a. results in ion formation. b. occurs in covalent bonds. c. only occurs if both are atoms of the same element. d. is found only among carbon atoms. 60. An atom that has gained or lost electrons is called a(n) a. molecule. c. ion. b. nucleon. d. element. 6

7 Name: ID: A 61. Refer to the graphs above. Which graph illustrates what happens during an exergonic reaction? a. Graph A b. Graph B c. Both graphs; they each show a different stage of an exergonic reaction. d. Neither graph shows an exergonic reaction. 62. Refer to the graphs above. Which graph illustrates a reaction during which reaction energy is released into the environment? a. Graph A b. Graph B c. Both graphs, since all chemical reactions release energy into the environment d. Neither graph, since chemical reactions do not involve energy 63. Enzymes a. are able to heat up molecules so that they can react. b. provide CO 2 for chemical reactions. c. are biological catalysts. d. absorb excess heat so that reactions occur at low temperatures. 64. The concentration of a solution is a. the number of particles of a substance in a solution. b. the amount of a solvent that is dissolved in a fixed amount of a solution. c. the amount of a solute that is dissolved in a fixed amount of a solution. d. the ratio of solute to solvent in a solution. 65. A neutral solution has an equal number of a. hydrogen and hydronium ions. c. hydrogen and hydroxide ions. b. hydroxide and hydronium ions. d. oxygen and hydrogen ions. 66. The terms base and alkaline refer to solutions that a. contain dissolved sodium hydroxide. b. contain more hydronium ions than hydroxide ions. c. contain more hydroxide ions than hydronium ions. d. contain more hydroxide ions than hydrogen ions. 67. A solution with a ph of 11 is a. acidic. c. neutral. b. basic. d. a buffer. 7

8 Name: ID: A 68. Acidic solutions have a ph that is a. less than 7. c. a negative number. b. between 0 and 14. d. more than Buffers a. are of relatively little importance in living things. b. are formed when a large number of hydroxide ions are released in a solution. c. are formed when a large number of hydronium ions are released in a solution. d. tend to prevent great fluctuations in ph. 70. At which time of day was the temperature approximately 4ºC? a. 9:00 A.M. c. 11:00 A.M. b. 10:00 A.M. d. 12:00 P.M. 71. At which two times of day was the temperature the same? a. 7:00 A.M. and 7:00 P.M. c. 10:00 A.M. and 7:00 P.M. b. 7:00 A.M. and 10:00 P.M. d. 10:00 A.M. and 10:00 P.M. 8

9 Name: ID: A 72. The sample contained the same number of pennies for which two years? a and 1992 c and 1997 b and 1991 d and For which year was the smallest number of pennies found? a c b d

10 ID: A Biology Test #2 Answer Section MULTIPLE CHOICE 1. ANS: B 2. ANS: D 3. ANS: D 4. ANS: C 5. ANS: D 6. ANS: A 7. ANS: B 8. ANS: A 9. ANS: B 10. ANS: D 11. ANS: C 12. ANS: C 13. ANS: B 14. ANS: B 15. ANS: A 16. ANS: D 17. ANS: C 18. ANS: D 19. ANS: D 20. ANS: B 21. ANS: C 22. ANS: D 23. ANS: D 24. ANS: D 25. ANS: A 26. ANS: C 27. ANS: A 28. ANS: B 29. ANS: B 30. ANS: D 31. ANS: D 32. ANS: A 33. ANS: C 34. ANS: B 35. ANS: C 36. ANS: D 37. ANS: D 38. ANS: D 39. ANS: A 40. ANS: B 1

11 ID: A 41. ANS: D 42. ANS: A 43. ANS: D 44. ANS: A 45. ANS: B 46. ANS: A 47. ANS: C 48. ANS: B 49. ANS: B 50. ANS: C 51. ANS: D 52. ANS: C 53. ANS: B 54. ANS: A 55. ANS: A 56. ANS: B 57. ANS: C 58. ANS: C 59. ANS: B 60. ANS: C 61. ANS: A 62. ANS: A 63. ANS: C 64. ANS: A 65. ANS: B 66. ANS: C 67. ANS: B 68. ANS: A 69. ANS: D 70. ANS: B 71. ANS: D 72. ANS: C 73. ANS: D 2

12 Name: Class: Date: ID: B Biology Test #2 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. All cells have a. a covering called a membrane that surrounds the cell and controls what information and materials enter and leave it. b. an internal fluid that gives shape to the cell and supports the other things within it. c. a central zone or nucleus that contains the cell's genes. d. All of the above 2. In which of the following organelles is a cell s ATP produced? a. mitochondrion c. Golgi apparatus b. endoplasmic reticulum d. lysosome Assume that each of the atoms below requires eight electrons to fill its outer energy level. 3. Refer to the illustration above. Which of the atoms is chemically stable? a. Atom A c. Atom C b. Atom B d. None of the above 4. Refer to the illustration above. If Atom C interacted with Atom B to form an ionic bond, Atom C would a. lose 6 electrons. c. gain 5 electrons. b. gain 2 electrons. d. move 4 electrons into the nucleus. 5. Refer to the illustration above. If Atom B interacted with Atom C to form an ionic bond, Atom B would a. gain 6 electrons. c. lose 2 electrons. b. lose 4 electrons. d. move 2 electrons into the nucleus. 6. Surface area is an important factor in limiting cell growth because a. the cell can burst if the membrane becomes too large. b. materials cannot enter the cell if it is too large. c. the cell may become too large to take in enough food and to remove enough wastes. d. waste products cannot leave the cell if it is too small. 7. All organic compounds contain the element a. C. c. Ca. b. N. d. Na. 8. The structure that regulates what enters and leaves the cell is called a. the nucleus. c. the nuclear membrane. b. the cell wall. d. the cell membrane. 1

13 Name: ID: B 9. Molecules that are too large to be moved through the membrane can be transported into the cell by a. osmosis. c. lipid carriers. b. endocytosis. d. diffusion. 10. Amino acids are monomers of a. disaccharides. c. nucleotides. b. proteins. d. steroids. 11. Which of the following does not expend energy? a. diffusion c. active transport b. chemiosmosis d. a sodium-potassium pump 12. Plant cells a. do not contain mitochondria. b. have a cell wall instead of a cell membrane. c. have a large vacuole instead of a Golgi apparatus. d. have chloroplasts and a cell wall. 13. Long chains of amino acids are found in a. carbohydrates. c. proteins. b. lipids. d. sugars. 14. The double membrane surrounding the nucleus is called the a. nucleolus. c. nucleoplasm. b. nuclear wall. d. nuclear envelope. 15. As a result of diffusion, the concentration of many types of substances a. always remains greater inside a membrane. b. eventually becomes balanced on both sides of a membrane. c. always remains greater on the outside of a membrane. d. becomes imbalanced on both sides of a membrane. 16. Only eukaryotic cells have a. DNA. c. ribosomes. b. membrane-bound organelles. d. cytoplasm. 17. Lipids are soluble in a. water. c. oil. b. salt water. d. All of the above 18. Studying a picture of a cell taken with an electron microscope, you find that the cell has no nucleus and no mitochondria, but it does have a cell membrane and a cell wall. You conclude that the cell is probably from a(n) a. animal. c. prokaryote. b. plant. d. now extinct organism. 19. Cell membranes a. are only found on a small number of cells. b. contain genes. c. are made of DNA. d. are thin coverings that surround cells. 20. Which of the following is not characteristic of facilitated diffusion? a. It requires a carrier protein. b. It moves substances against a concentration gradient. c. It requires no energy input. d. It involves a change in the shape of its carrier. 2

14 Name: ID: B 21. Refer to the graphs above. Which graph illustrates a reaction during which reaction energy is released into the environment? a. Graph A b. Graph B c. Both graphs, since all chemical reactions release energy into the environment d. Neither graph, since chemical reactions do not involve energy 22. Refer to the graphs above. Which graph illustrates what happens during an exergonic reaction? a. Graph A b. Graph B c. Both graphs; they each show a different stage of an exergonic reaction. d. Neither graph shows an exergonic reaction. 23. Plant cells have large membrane-bound spaces in which water, waste products, and nutrients are stored. These places are known as a. mitochondria. c. Golgi apparatus. b. chloroplasts. d. vacuoles. 24. The concentration of a solution is a. the number of particles of a substance in a solution. b. the amount of a solvent that is dissolved in a fixed amount of a solution. c. the amount of a solute that is dissolved in a fixed amount of a solution. d. the ratio of solute to solvent in a solution. 25. Amino acids are monomers of a. disaccharides. c. nucleotides. b. proteins. d. steroids. 26. Nonpolar molecules have a. no negative or positive poles. c. only a negative pole. b. both negative and positive poles. d. only a positive pole. 27. A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a a. nonpolar molecule. c. charged molecule. b. polar molecule. d. bipolar molecule. 28. The size to which a cell can grow is limited by its a. location. c. function. b. structure. d. surface area. 3

15 Name: ID: B 29. All matter in the universe is composed of a. cells. c. atoms. b. molecules. d. carbon. 30. Buffers a. are of relatively little importance in living things. b. are formed when a large number of hydroxide ions are released in a solution. c. are formed when a large number of hydronium ions are released in a solution. d. tend to prevent great fluctuations in ph. 31. How are chloroplasts like mitochondria? a. They can both use energy from sunlight. b. They look alike. c. They both manufacture food and release energy. d. They are both found in animal cells. 32. The organelles associated with photosynthesis are the a. mitochondria. c. Golgi apparatus. b. chloroplasts. d. vacuoles. Concentration of Water and Solutes in Four Adjacent Cells 33. Refer to the illustration above. In this system, water molecules are most likely to diffuse in which direction? a. from A to B c. from D to C b. from B to D d. from C to A 34. Refer to the illustration above. In this system, solute molecules in cell B are most likely to a. remain in cell B. c. diffuse into cell A. b. adhere to cell B's membrane. d. diffuse into cell D 35. Refer to the illustration above. Which cell is most likely to lose both water molecules and solute molecules as the system approaches equilibrium? a. cell A c. cell C b. cell B d. cell D 36. The packaging and distribution center of the cell is the a. nucleus. c. central vacuole. b. Golgi apparatus. d. nuclear envelope. 37. Which organic molecule below is classified as a carbohydrate? a. amino acid c. nucleotide b. CH 2 chain d. sugar 4

16 Name: ID: B 38. All of the following are examples of lipids except a. saturated fats. c. cholesterol. b. starch. d. earwax. 39. Polysaccharides are a. carbohydrates. c. proteins. b. lipids. d. unsaturated fats. 40. The terms base and alkaline refer to solutions that a. contain dissolved sodium hydroxide. b. contain more hydronium ions than hydroxide ions. c. contain more hydroxide ions than hydronium ions. d. contain more hydroxide ions than hydrogen ions. 41. The cell membrane a. encloses the contents of a cell. b. allows material to enter and leave the cell. c. is selectively permeable. d. All of the above 42. Proteins are made in cells on the a. mitochondria. c. nucleus. b. ribosomes. d. cell membrane. 43. Which of the following states of matter contain(s) particles that are tightly linked together in a definite shape? a. solid c. gas b. liquid d. solid and liquid 44. A solution with a ph of 11 is a. acidic. c. neutral. b. basic. d. a buffer. 45. For which year was the smallest number of pennies found? a c b d

17 Name: ID: B 46. The sample contained the same number of pennies for which two years? a and 1992 c and 1997 b and 1991 d and The organelles in plant cells that contain a green pigment are the a. mitochondria. c. chloroplasts. b. bilayer lipids. d. Golgi apparatus. 48. A neutral solution has an equal number of a. hydrogen and hydronium ions. c. hydrogen and hydroxide ions. b. hydroxide and hydronium ions. d. oxygen and hydrogen ions. 49. When the volume of a cell increases, its surface area a. increases at the same rate. c. increases at a faster rate. b. remains the same. d. increases at a slower rate. 50. Ridding the cell of material by discharging it from sacs at the cell surface is called a. chemiosmosis. c. exocytosis. b. exorcism. d. endocytosis. 51. A structure within a cell that performs a specific function is called a(n) a. organelle. c. tissue. b. organ tissue. d. biocenter. 52. A particularly active cell might contain large numbers of a. chromosomes. c. mitochondria. b. vacuoles. d. walls. 53. Which of the following is the correct order of organization of structures in living things, from simplest to most complex? a. organ systems, organs, tissues, cells b. tissues, cells, organs, organ systems c. cells, tissues, organ systems, organs d. cells, tissues, organs, organ systems 6

18 Name: ID: B 54. At which two times of day was the temperature the same? a. 7:00 A.M. and 7:00 P.M. c. 10:00 A.M. and 7:00 P.M. b. 7:00 A.M. and 10:00 P.M. d. 10:00 A.M. and 10:00 P.M. 55. At which time of day was the temperature approximately 4ºC? a. 9:00 A.M. c. 11:00 A.M. b. 10:00 A.M. d. 12:00 P.M. 56. Atoms are composed of a. protons with a positive charge. c. electrons with a negative charge. b. neutrons with no charge. d. All of the above 57. The smallest units of life in all living things are a. cells. c. cytoplasm. b. mitochondria. d. Golgi apparatus. 58. Which organic molecule below is most closely related to proteins? a. amino acids c. nucleotides b. CH 2 chains d. sugars 59. All the following are found in both plant and animal cells, except a. a cell wall. c. mitochondria. b. a cell membrane. d. the endoplasmic reticulum. 60. Acidic solutions have a ph that is a. less than 7. c. a negative number. b. between 0 and 14. d. more than Diffusion takes place a. only through a lipid bilayer membrane. b. from an area of low concentration to an area of high concentration. c. only in liquids. d. from an area of high concentration to an area of low concentration. 7

19 Name: ID: B 62. Sharing of electrons in the outer energy levels of two atoms a. results in ion formation. b. occurs in covalent bonds. c. only occurs if both are atoms of the same element. d. is found only among carbon atoms. 63. The electrons of an atom a. are found in the nucleus along with the protons. b. orbit the nucleus in various energy levels. c. have a positive charge. d. are attracted to the positive charge of neutrons. 64. The process by which water passes into or out of a cell is called a. solubility. c. selective transport. b. osmosis. d. endocytosis. 65. An atom that has gained or lost electrons is called a(n) a. molecule. c. ion. b. nucleon. d. element. 66. Refer to the illustration above. The process shown is called a. osmosis. c. active transport. b. facilitated diffusion. d. diffusion. 67. Enzymes a. are able to heat up molecules so that they can react. b. provide CO 2 for chemical reactions. c. are biological catalysts. d. absorb excess heat so that reactions occur at low temperatures. 68. The sodium-potassium pump usually pumps a. potassium out of the cell. b. sodium into the cell. c. potassium into the cell. d. only a potassium and sugar molecule together. 69. Molecules that are too large to be moved across a cell membrane can be removed from the cell by a. diffusion. c. lipid carriers. b. exocytosis. d. osmosis. 70. The bond formed when two atoms share a pair of electrons is called a a. hydrogen bond. c. covalent bond. b. nonpolar bond. d. water bond. 8

20 Name: ID: B 71. The dispersal of ink in a beaker of water is an example of a. diffusion. c. active transport. b. osmosis. d. endocytosis. 72. One difference between prokaryotes and eukaryotes is that a. nucleic acids are found only in prokaryotes. b. mitochondria are found in larger quantities in eukaryotes. c. Golgi vesicles are found only in prokaryotes. d. prokaryotes have no nuclear membrane. 73. Water is important to life because it a. surrounds all cells. b. is found inside cells. c. influences the shape of the a membrane. d. All of the above 9

21 ID: B Biology Test #2 Answer Section MULTIPLE CHOICE 1. ANS: D 2. ANS: A 3. ANS: A 4. ANS: B 5. ANS: C 6. ANS: C 7. ANS: A 8. ANS: D 9. ANS: B 10. ANS: B 11. ANS: A 12. ANS: D 13. ANS: C 14. ANS: D 15. ANS: B 16. ANS: B 17. ANS: C 18. ANS: C 19. ANS: D 20. ANS: B 21. ANS: A 22. ANS: A 23. ANS: D 24. ANS: A 25. ANS: B 26. ANS: A 27. ANS: B 28. ANS: D 29. ANS: C 30. ANS: D 31. ANS: C 32. ANS: B 33. ANS: D 34. ANS: C 35. ANS: D 36. ANS: B 37. ANS: D 38. ANS: B 39. ANS: A 40. ANS: C 1

22 ID: B 41. ANS: D 42. ANS: B 43. ANS: A 44. ANS: B 45. ANS: D 46. ANS: C 47. ANS: C 48. ANS: B 49. ANS: D 50. ANS: C 51. ANS: A 52. ANS: C 53. ANS: D 54. ANS: D 55. ANS: B 56. ANS: D 57. ANS: A 58. ANS: A 59. ANS: A 60. ANS: A 61. ANS: D 62. ANS: B 63. ANS: B 64. ANS: B 65. ANS: C 66. ANS: D 67. ANS: C 68. ANS: C 69. ANS: B 70. ANS: C 71. ANS: A 72. ANS: D 73. ANS: D 2

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