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Photosynthesis and Respiration

Photosynthesis and Respiration
Electron transport systems play a vital role in

Calvin cycle
all of these
light-dependent reactions
photorespiration

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Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

electrons needed to reduce NADH
O2 needed for the dark reactions
electrons needed for cyclic photophosphorylation
electrons needed to reduce P680

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Photosynthesis and Respiration
A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose

all of these
produces less CO2
has mitochondria present
is lacking in O2

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

carbon dioxide, PGAL (phosphoglyceraldehyde), and H2
O2, ATP and NADPH
carbon dioxide, ATP and water
water, ADP and NADP+

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

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

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribose tri phosphate
3-phosphoglyceric acid
ribulose phosphate
ribulose diphosphate

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MORE MCQ ON Photosynthesis and Respiration

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