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Photosynthesis and Respiration

Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

700 nm
550 nm
600 nm
750 nm

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Photosynthesis and Respiration
Hydrogen (electron) acceptor in the light reactions is

NADP+
NAD+
FADH
ADP

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Photosynthesis and Respiration
Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

ATP
Carbohydrate
NADPH
O2

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Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Fermentation
Carbon fixation
Light reactions of photosynthesis
Dark reactions of photosynthesis

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

calvin cylcle
photorespiration
light dependent reactions
none of these

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Photosynthesis and Respiration
During the light-dependent reactions of photosynthesis, which of the following does not occur?

Release of oxygen
Carbon dioxide fixation
Absorption of light energy by photosystems
Splitting of water

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