Photo 09

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Photosynthesis Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. ____

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1. Which of the following statements is true for all cells? a. They use solar energy. b. They use photosynthesis. c. They use chemical energy. d. They use chemosynthesis. 2. Which phrase best describes the function of the ATP molecule? a. stores energy b. carries energy c. absorbs energy d. converts energy 3. Where does the chemical energy to produce ATP come from? a. the conversion of ATP to ADP b. the use of chemicals from the environment to build sugars c. the addition of a phosphate group to ATP d. the breakdown of carbon-based molecules into smaller molecules 4. Energy is released from an ATP molecule for cellular processes when it a. has a phosphate group removed. b. stores an extra phosphate group. c. converts a phosphate group to ADP. d. produces a sugar molecule. 5. Which of the following is the source of energy used in chemosynthesis? a. sunlight b. heat from hydrothermal vents c. chemical compounds d. amino acids 6. Which of the following statements best describes the process of photosynthesis? a. Plants use oxygen to make simple sugars. b. Chlorophyll builds sugars in the thylakoid membrane. c. Light breaks down water molecules and releases carbon dioxide. d. Chloroplasts absorb sunlight and store chemical energy. 7. What is the term for an organism that makes its own source of chemical energy? a. decomposer b. producer c. chloroplast d. protist 8. The main light-absorbing molecules found in plant leaves are called a. chloroplasts. b. thylakoids c. chlorophyll. d. grana. 9. The function of the light-dependent reactions is to a. build sugars. b. capture and transfer energy.

c. release carbon dioxide. d. form water molecules. ____ 10. The light-independent reactions of photosynthesis need a. carbon dioxide. b. oxygen. c. water. d. cellulose. ____ 11. Which of the following takes place in the light-dependent reactions of photosynthesis? a. Sugars are made. b. Energy is captured. c. Chlorophyll is pumped. d. is formed. ____ 12. Where do the hydrogen ions for the photosystems of the light-dependent reactions come from? a. sugars b. sunlight c. acids d. water ____ 13. In the light-independent reactions of photosynthesis, a. enters the Calvin cycle and sugars are made. b.

is broken down and oxygen is released. c. NADPH is produced and transferred to photosystem I. d. electrons are energized and used to pump ions. ____ 14. The breakdown of which of the following provides the largest number of ATP per molecule? a. carbohydrates b. lipids c. proteins d. cellulose ____ 15. Which chemical equation best represents the process of photosynthesis? a. 6 +6 +6 b. c. 6 d.

+6 +6

+6 +6

+6 6 +6 ____ 16. Which of the following is the site of the photosystems in the light-dependent reactions of photosynthesis? a. stroma b. thylakoid membrane c. ATP synthase d. mitochondrial matrix ____ 17. Suspended in the fluid stroma of chloroplasts are a. organelles called eukaryotes. b. numerous mitochondrial membranes. c. small coins that provide energy. d. stacks of thylakoids called grana. ____ 18. The sun is considered the ultimate source of energy for life on Earth because a. all organisms carry out photosynthesis. b. all organisms carry out cellular respiration. c. either photosynthetic organisms or organisms that have eaten them provide energy for all

other organisms on Earth. d. the sun heats Earth’s atmosphere. ____ 19. When light strikes an object, the light may be a. reflected. c. transmitted. b. absorbed. d. All of the above ____ 20. Chlorophyll is green because a. it absorbs green wavelengths of light. b. it absorbs blue and yellow wavelengths, which make green. c. it reflects green wavelengths of light. d. it transmits light and causes an optical illusion.

Photosynthesis Quiz Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.

ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS:

C B D A C D B C B A B D A B C B D C D C

PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS: PTS:

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT: NOT:

978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5 978-0-618-78317-5

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