EOCT

1. EOCT Review

2. Which of the following descriptions is most likely a eukaryotic cell? A. The cell is simple with no nucleus. B. The cell has genetic material freely floating in the cytoplasm. C. The cell is a bacterial cell. D. The cell is quite complex and contains a nucleus.

3. Which of the following descriptions is most likely a eukaryotic cell? A. The cell is simple with no nucleus. B. The cell has genetic material freely floating in the cytoplasm. C. The cell is a bacterial cell. D. The cell is quite complex and contains a nucleus.

4. Which organelles provide cells with energy? A. mitochondria and chloroplasts B. rough and smooth endoplasmic reticulum C. Golgi body and ribosomes D. ribosomes and nucleic acids

5. Which organelles provide cells with energy? A. mitochondria and chloroplasts B. rough and smooth endoplasmic reticulum C. Golgi body and ribosomes D. ribosomes and nucleic acids

6. A student looking through a light microscope saw this cell in cytokinesis: The cell is most likely from a A. a plant. B. a virus. C. an animal. D. a bacterium.

7. A student looking through a light microscope saw this cell in cytokinesis: The cell is most likely from a A. a plant. B. a virus. C. an animal. D. a bacterium.

8. When there is a lower concentration of water outside of a plant cell compared to inside the plant cell, theplant will tend to − A. grow toward the sun. B. lose water and wilt. C. gain water and become rigid. D. increase its rate of photosynthesis.

9. When there is a lower concentration of water outside of a plant cell compared to inside the plant cell, theplant will tend to − A. grow toward the sun. B. lose water and wilt. C. gain water and become rigid. D. increase its rate of photosynthesis.

10. In 1665 Robert Hooke observed a thin slice of cork under a microscope and presented a drawing similar to the one shown below. Hooke called these structures A. chloroplasts B. nuclei C. stomata D. cells

11. In 1665 Robert Hooke observed a thin slice of cork under a microscope and presented a drawing similar to the one shown below. Hooke called these structures A. chloroplasts B. nuclei C. stomata D. cells

12. Overheating an enzyme changes its shape which results in the enzymes loss of A. net electrical charge. B. ability to catalyze a reaction. C. storage of a large amount of chemical energy. D. storage of inherited information.

13. Overheating an enzyme changes its shape which results in the enzymes loss of A. net electrical charge. B. ability to catalyze a reaction. C. storage of a large amount of chemical energy. D. storage of inherited information.

14. Which of the following relationships between macromolecules and their function is NOT correct? A. carbohydrates : energy source B. lipids : speeding up chemical reactions C. proteins : structural support D. nucleic acids : transmitting genetic information

15. Which of the following relationships between macromolecules and their function is NOT correct? A. carbohydrates : energy source B. lipids : speeding up chemical reactions C. proteins : structural support D. nucleic acids : transmitting genetic information

16. Which chemical reaction represents photosynthesis? A. 6CO2+ C6H12O6 → 6H2O + 6O2 B. C6H12O6 + 6H2O → 6CO2 + 6H2O C. C6H12O6 + 6O2 → 6CO2 + 6H2O D. 6C02 + 6H2O → C6H12O6 + 6O2

17. Which chemical reaction represents photosynthesis? A. 6CO2+ C6H12O6 → 6H2O + 6O2 B. C6H12O6 + 6H2O → 6CO2 + 6H2O C. C6H12O6 + 6O2 → 6CO2 + 6H2O D. 6C02 + 6H2O → C6H12O6 + 6O2

18. The energy in the food produced by autotrophs or taken into the bodies of heterotrophs must be changedinto a form that cells can use. The energy−transferring molecule used by cells is − A. DNA. B. RNA. C. ATP. D. CO2.

19. The energy in the food produced by autotrophs or taken into the bodies of heterotrophs must be changedinto a form that cells can use. The energy−transferring molecule used by cells is − A. DNA. B. RNA. C. ATP. D. CO2.

20. A student was studying the responses of cells to solutions of varying salt concentrations. Which solutionbelow would cause no change in cell size? A C B D

21. A student was studying the responses of cells to solutions of varying salt concentrations. Which solutionbelow would cause no change in cell size? A C B D

22. The figure below displays a diagram of a eukaryotic cell. Cellular respiration occurs in which of the structures? A. 1 B. 2 C. 3 D. 4

23. The figure below displays a diagram of a eukaryotic cell. Cellular respiration occurs in which of the structures? A. 1 B. 2 C. 3 D. 4

24. Cellular respiration is carried out by which of the following? A. All living organisms B. Animals but not plants C. Plants but not animals D. Heterotrophs but not autotrophs

25. Cellular respiration is carried out by which of the following? A. All living organisms B. Animals but not plants C. Plants but not animals D. Heterotrophs but not autotrophs

26. Which of these is most responsible for carrying coded information from the nucleus to the ribosome? A. tRNA B. DNA C. mRNA D. ATP

27. Which of these is most responsible for carrying coded information from the nucleus to the ribosome? A. tRNA B. DNA C. mRNA D. ATP

28. The Diagram below shows the phases of the cell cycle. Which of the following phases is the first step in mitosis? Anaphase Metaphase Prophase Telophase

29. The Diagram below shows the phases of the cell cycle. Which of the following phases is the first step in mitosis? Anaphase Metaphase Prophase Telophase

30. Which is the correct sequence for the flow of information from the nucleus to the ribosome during the process of protein synthesis? Protein → DNA → RNA RNA → DNA → protein DNA RNA → protein Protein → RNA → DNA

31. Which is the correct sequence for the flow of information from the nucleus to the ribosome during the process of protein synthesis? Protein → DNA → RNA RNA → DNA → protein DNA → RNA → protein Protein → RNA → DNA

32. In pea plants, yellow pea color (Y) is completely dominant to green pea color (y). A plant that has yellow peas is heterozygous for pea color. Which alleles will be carried by the gametes it produces? A. Some gametes will have Y and some gametes will have y B. Each gamete will have Y only C. Each gamete will have y only D. Each gamete will have Yy

33. In pea plants, yellow pea color (Y) is completely dominant to green pea color (y). A plant that has yellow peas is heterozygous for pea color. Which alleles will be carried by the gametes it produces? A. Some gametes will have Y and some gametes will have y B. Each gamete will have Y only C. Each gamete will have y only D. Each gamete will have Yy

34. In a genetics laboratory, two heterozygous tall plants are crossed. If tall is dominant over short, what are the expected phenotypic results? A. 100% tall B. 75% tall, 25% short C. 50% tall, 50% short D. 25%tall, 75% short

35. In a genetics laboratory, two heterozygous tall plants are crossed. If tall is dominant over short, what are the expected phenotypic results? A. 100% tall B. 75% tall, 25% short C. 50% tall, 50% short D. 25%tall, 75% short

36. Some traits are determined by more than two alleles. If aabb is crossed with AABB, what would be the genotype of all the offspring? A. AaBb B. AABB C. Aabb D. aaAAbbBB

37. Some traits are determined by more than two alleles. If aabb is crossed with AABB, what would be the genotype of all the offspring? A. AaBb B. AABB C. Aabb D. aaAAbbBB

38. The presence of a recessive allele for sickle cell anemia makes a person resistant to malaria. If two heterozygous parents have a child, what are the chances of that child being resistant to malaria but not having the homozygous recessive condition? A. 25% B. 50% C. 75% D. 100%

39. The presence of a recessive allele for sickle cell anemia makes a person resistant to malaria. If two heterozygous parents have a child, what are the chances of that child being resistant to malaria but not having the homozygous recessive condition? A. 25% B. 50% C. 75% D. 100%

40. The diagram below shows a generalized cycle in sexually reproducing animals. What does Process A represent in this cycle? Fertilization Mitosis Osmosis Replication

41. The diagram below shows a generalized cycle in sexually reproducing animals. What does Process A represent in this cycle? Fertilization Mitosis Osmosis Replication

42. The diverse organisms shown in the diagram below belong to the same Kingdom. To which Kingdom do these organisms belong? Animalia Fungi Plantae Protista

43. The diverse organisms shown in the diagram below belong to the same Kingdom. To which Kingdom do these organisms belong? Animalia Fungi Plantae Protista

44. How are organisms in the Kingdom Protistadifferent from Kingdom Animalia? A. Some are multicellular B. Some are prokaryotes C. Some have cell walls D. Some have tissues

45. How are organisms in the Kingdom Protistadifferent from Kingdom Animalia? A. Some are multicellular B. Some are prokaryotes C. Some have cell walls D. Some have tissues

46. The state of California has several large cities and very productive croplands that divert and use large amounts of water from rivers. What is one damaging effect of this use of the rivers? Water? A. Increased amounts of solid waste pollution in oceans B. Decreased amounts of fresh water in marshes and estuaries C. Changes in local rainfall amounts D. Changes in upstream water tables

47. The state of California has several large cities and very productive croplands that divert and use large amounts of water from rivers. What is one damaging effect of this use of the rivers? Water? A. Increased amounts of solid waste pollution in oceans B. Decreased amounts of fresh water in marshes and estuaries C. Changes in local rainfall amounts D. Changes in upstream water tables

48. A man treated his home with a pesticide that kills roaches. The first application of the pesticide killed 92% of the roaches. Two months later he applied the pesticide tohis home again, but the second application killed only 65% of the roaches. What would best explain the decrease in the effectiveness of the pesticide? A. The pesticide is effective only against mature roaches. B. Once roaches learned how to fight the pesticide, they taught others. C. The surviving roaches were naturally resistant to the pesticide, an that resistance was inherited by their offspring. D. The pesticide caused some of the roaches digestive systems to mutate and metabolize the pesticide.

49. A man treated his home with a pesticide that kills roaches. The first application of the pesticide killed 92% of the roaches. Two months later he applied the pesticide tohis home again, but the second application killed only 65% of the roaches. What would best explain the decrease in the effectiveness of the pesticide? A. The pesticide is effective only against mature roaches. B. Once roaches learned how to fight the pesticide, they taught others. C. The surviving roaches were naturally resistant to the pesticide, an that resistance was inherited by their offspring. D. The pesticide caused some of the roaches digestive systems to mutate and metabolize the pesticide.

50. According to the information below, which of these is responsible for the decrease in the black-footed ferret population? Competition with prairie dogs for resources Reduced numbers of prairie dogs Activity of research institutes Development of managed wildlife areas