Exercise: Photosynthesis And Respiration

Questions for: Photosynthesis And Respiration

Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?
A:
Glucose
B:
ATP
C:
H2O
D:
NADPH
Answer: C
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In oxygenic photosynthesis, water is split in order to provide the
A:
electrons needed to reduce P680
B:
O2 needed for the dark reactions
C:
electrons needed to reduce NADH
D:
electrons needed for cyclic photophosphorylation
Answer: A
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Which of the following structures or processes are logically associated with chloroplasts?
A:
Plant cells
B:
Chlorophyll
C:
Thylakoid membranes
D:
All of these
Answer: D
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During the light-dependent reactions of photosynthesis, which of the following does not occur?
A:
Splitting of water
B:
Carbon dioxide fixation
C:
Release of oxygen
D:
Absorption of light energy by photosystems
Answer: B
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Carbon dioxide is reduced in
A:
noncyclic photophosphorylation
B:
the Calvin cycle
C:
the light reactions
D:
both light and dark reactions
Answer: B
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