1. Photosynthesis Review
Fall 2016

2. 1. What molecule traps energy from sunlight?
A. protein
B. ETC
C. chlorophyll
D. Thylakoid

3. 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

4. 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

5. 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

6. 5. Leaves appear green because the green portion of the light is
A. reflected
B. absorbed
C. changed to heat
D. destroyed

7. 6. When ATP is formed from ADP by adding a phosphate group, energy is
A. absorbed or used
B. released
C. destroyed
D. created

8. 7. How many cycles does the Calvin cycle go through to create glucose
B. 6
C. 1
D. 12

9. 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

10. 9. The part of the chloroplast wher the light-dependent reaction takes place
A. stroma
B. outer membrane
C. Thylakoid
D. mesophyll

11. 10. The part of the chloroplast where the light-independent reaction takes place.
A. stroma
B. mesophyll
C. thylakoid
D. outer membrane

12. 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

13. 12. The oxygen that is released from the plant cell is made from _______
A. glucose
B. water
C. carbon dioxide
D. proteins

14. 13. The oxygen produced by photosynthesis is produced in the
A. light-independent reaction
B. light-dependent reaction

15. 14. How many ATP are needed to make one glucose molecule by the Calvin cycle?

16. 15. What organelle is involved with photosynthesis?
A. chloroplast
B. mitochondria
C. lysosome
D. vacuole

17. 16. the cell wall of plants is made of
A. cellulose
B. glucose
C. proteins
D. lipids

18. 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

19. 18. Extra glucose made by the plant cell by photosystem is stored as
A. cellulose
B. fat
C. starch
D. glycogen

20. 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

21. 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

22. 21. Draw and compare the ADP and ATP molecules.

23. 22. Write the equation for photosynthesis.

24. 23. What two things are produced by photosynthesis that we need for life.

25. 24. Why does the plant need to make glucose if it can make ATP directly from sunlight?

26. 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?