Photosynthesis Review
1. Which of the wavelengths of light does chlorophyll best
absorb?
2. These individual membrane sacs are called
______________.
3. Name the scientist who discovered that burning a candle
used up “something” that a green plant could replace.
4. Name the structure labeled #4
5. Why do plants look green?
6. Write the complete equation for photosynthesis using
chemical symbols.
7. Write the complete equation for photosynthesis using words.
8. Name the products of the Calvin Cycle.
9. Name this space.
10. Name the two molecules that acts as carriers for energy and
high energy electrons during photosynthesis.
11. Name this stack of photosynthesizing membrane sacs.
12. Name the structure labeled #1.
13. Name two of the three factors you learned about that affect
the rate of photosynthesis.
14. Name this molecule
15. Organisms (like green plants) that can make their own food
are called _____________.
16. Name the structured labeled #3.
17. Molecules (like chlorophyl and carotene) that absorb light
energy are called ____________.
18. Where does the H come from in NADPH?
19. Name the structured labeled #2.
20. Name the phase of photosynthesis where ATP and NADPH
are made.
21. Where do the O atoms in water end up following the light
reactions?
22. What are the reactants in the Calvin Cycle?
23. Tell the first step in the light-dependent reaction of
photosynthesis.
24. The Calvin Cycle can also be called the _____________
reactions.
25. Write the equation for the formation of ATP.
26. Which ion’s movement causes ATP synthase to spin and
produce ATP?
27. Where are the enzymes for the light-independent reactions
located?
28. Tell where the enzymes for the light-dependent reactions
are located?
29. What is the main pigment used by green plants for
photosynthesis?
30. What is the chemical formula for glucose?
31. Increasing the intensity of light a plant receives should
__________ (increase, decrease) the rate of
photosynthesis.
32. Where do H+ build up during the light-dependent reactions?
33. How do electrons get from Photosystem II to Photosystem
I?
34. Jan van Helmont carefully measured a plant’s water intake
and mass and concluded that the tree gained most of its mass
from water. What was wrong with this conclusion?
ANSWERS
1. blue-violet & red
2. thylakoids
3. Joseph Priestley
4. ATP Synthase
5. chlorophyll reflects green wavelengths to your eye
light
6. 6 CO2 + H2O → 6 O2 + C6H12O6
light
7. Carbon Dioxide + Water → Oxygen + high energy sugar
8. C6H12O6 (sugar)
9. Stroma
+
10. ADP carries energy as ATP and NADP carries high energy
electrons as NADPH
11. granum
12. Photosystem II
13. light intensity, amount of water, temperature
14. ATP (adenosine triphosphate)
15. autotrophs
16. Electron Transport Chain (System)
17. pigments
18. comes from H2O when water splits
19. Photosystem I
20. light-dependent reactions
21. given off as oxygen gas to the atmosphere
22. CO2, ATP, NADPH
23. Light energy is absorbed by Photosystem II and splits a
water molecule
24. light independent reaction
25. ADP + P → ATP
26. H
+
27. in the stroma
28. in the thylakoid membrane
29. chlorophyll
30.
C6H12O6
31. Photosynthesis would increase until it reaches its maximum
32. in the thylakoid space
33. They travel down the Electron Transport Chain
34. Most of the "new plant" comes from carbon dioxide in the air