Photosynthesis & Cell Respiration: Cells and Energy Practice Chapter Test MULTIPLE CHOICE ... Biology 2 Cells and Energy Practice Chapter Test, contin...
Biology 1 Cells and Energy Photosynthesis & Cell Respiration: Cells and Energy Practice Chapter Test Answer Key Multiple Choice 1. b 2. a 3. a 4. d 5. a 6. c
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Photosynthesis & Cell Respiration: Cells and Energy
Practice Chapter Test MULTIPLE CHOICE Choose the letter of the best answer. (15 credits)
_____ 1. In photosynthesis, what molecule carries chemical energy that cells use for their functions? a. ADP b. ATP c. NAD d. NADP
_____ 5. The water molecules labeled A in Figure 4.1 are going to the thylakoids to take part in which process?
_____ 2. Which of the following molecules found in the food we eat is most commonly broken down to make ATP? a. carbohydrates b. lipids c. proteins d. vitamins
FIG. 4.1
a. b. c. d.
_____ 3. Which of the following directly provides the energy needed for cell functions? a. A phosphate group is removed from ATP. b. ADP loses a phosphate group. c. Electrons are passed to proteins. d. Oxygen picks up electrons.
_____ 6. Which of the following is a reactant in photosynthesis? a. O2 b. C6H12O6 c. CO2 d. COOH
_____ 4. Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of a. ATP. b. water. c. glucose. d. sunlight.
_____ 7. Where in plant cells are the energy-absorbing molecules for photosynthesis located? a. stroma b. thylakoids c. ATP synthase d. mitochondria
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_____ 8. What happens to the sugars that are made during photosynthesis? a. They move directly into an electron transport chain. b. They go back into the Calvin cycle. c. They can be used for cellular respiration. d. They make ATP by bonding together.
_____ 12. An electron transport chain that produces ATP is part of both the cellular respiration process and a. glycolysis. b. fermentation. c. photosynthesis. d. the Krebs cycle. _____ 13. In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place? a. ATP synthase b. photosystem I c. glycolysis d. fermentation
_____ 9. The part of cellular respiration that needs oxygen takes place inside the a. nucleus. b. mitochondria. c. thylakoid. d. cytoplasm.
_____ 14. Before cellular respiration, glucose must be broken down by the process of a. photosynthesis. b. glycolysis. c. electron transport. d. fermentation.
_____ 10. Which process is best represented by the following chemical equation? C6H12O6 O2 CO2 H2O a. cellular respiration b. photosynthesis c. glycolysis d. fermentation
_____ 15. Which of the following is a product of the Krebs cycle? a. carbon dioxide b. oxygen c. lactic acid d. glucose
_____ 11. Which of the following is best shown by Figure 4.2 below?
FIG. 4.2
a. b. c. d.
glycolysis diffusion the Krebs cycle electron transport chain
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Short Answer Use the diagram below to answer items 16–20. (5 credits)
FIG. 4.3
16. Write a simple title for the diagram above. _______________________________________________________________ 17. What does the large zigzagging arrow represent? _______________________________________________________________ 18. Name one high-energy molecule shown in the diagram that is used as an energy-carrier. _______________________________________________________________ 19. Name the structure in the figure in which an electron transport chain is located. Describe the main function of the processes that occur in this structure. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 20. What is the name of the cycle represented by a circle in the diagram? Where does the carbon dioxide necessary for this process come from? _______________________________________________________________ _______________________________________________________________
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Practice Chapter Test, continued Use the diagram below to answer items 21–25. (5 credits)
FIG. 4.4
21. Write a simple title for the diagram above. _______________________________________________________________ 22. Name one place in the diagram where a high-energy molecule is transferring energy. _______________________________________________________________ 23. Where does the reactant for glycolysis come from? _______________________________________________________________ _______________________________________________________________ 24. What is the name of the cycle represented by the circle in the diagram? Name two molecules that come from this cycle. _______________________________________________________________ _______________________________________________________________ 25. Describe a real-life situation in which the anaerobic part of the process above might take place. Use the term fermentation in your answer. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________
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