Photosynthesis Review Fall 2016
1. What molecule traps energy from sunlight? A. protein B. ETC C. chlorophyll D. Thylakoid
2. What happens to the chlorophyll when it absorbs energy from sunlight? A. it changes color B. an electron is excited (gains energy) C. it burns up D. it gets a tan
3. Energy is released from ATP when the bond is broken between A. two phosphate groups B. adenine and ribose C. ribose and a phosphate group D. adenine and a phosphate group
4. In the complete process of photosynthesis, the A. Calvin cycle yields CO2 B. light-dependent reaction releases oxygen C. Calvin cycle breaks down water D. light reaction produces NADP+ from NADPH
5. Leaves appear green because the green portion of the light is A. reflected B. absorbed C. changed to heat D. destroyed
6. When ATP is formed from ADP by adding a phosphate group, energy is A. absorbed or used B. released C. destroyed D. created
7. How many cycles does the Calvin cycle go through to create glucose B. 6 C. 1 D. 12
8. Which of the following things are not needed for the Calvin cycle to produce glucose? A. carbon dioxide B. oxygen C. ATP D. NADPH
9. The part of the chloroplast wher the light-dependent reaction takes place A. stroma B. outer membrane C. Thylakoid D. mesophyll
10. The part of the chloroplast where the light-independent reaction takes place. A. stroma B. mesophyll C. thylakoid D. outer membrane
11. What part of the chloroplast is able to take the energized electron and make ATP? A. grana B. thylakoid C. electron transport chain (ETC) D. stroma
12. The oxygen that is released from the plant cell is made from _______ A. glucose B. water C. carbon dioxide D. proteins
13. The oxygen produced by photosynthesis is produced in the A. light-independent reaction B. light-dependent reaction
14. How many ATP are needed to make one glucose molecule by the Calvin cycle?
15. What organelle is involved with photosynthesis? A. chloroplast B. mitochondria C. lysosome D. vacuole
16. the cell wall of plants is made of A. cellulose B. glucose C. proteins D. lipids
17. In the light-dependent reaction, which photosystem does the sunlight hit first? A. photosystem I B. photosystem II C. photosystem III D. Photosystem IV
18. Extra glucose made by the plant cell by photosystem is stored as A. cellulose B. fat C. starch D. glycogen
19. An organism that can make its own food usually fro the energy in sunlight and carbon dioxide is called a(n) ____________ A. autotroph B. heterotroph C. producer D. consumer
20. The taking of carbon dioxide out of the air to make glucose using the Calvin cycle is called __________ A. carbon fixation B. photolysis C. chemosynthesis D. magic
21. Draw and compare the ADP and ATP molecules.
22. Write the equation for photosynthesis.
23. What two things are produced by photosynthesis that we need for life.
24. Why does the plant need to make glucose if it can make ATP directly from sunlight?
25. Why does the plant need to split water (photolysis) 25. Why does the plant need to split water (photolysis)? During which stage of photosynthesis does this event happen?