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Photosynthesis and Respiration

Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

water
NADH
oxygen
NADPH

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Photosynthesis and Respiration
In algae, photosynthesis takes place in

mitochondria
cell membrane
choloroplasts
None of these

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Photosynthesis and Respiration
The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called

Photosystem II
Calvin cycle
ETS (electron transfer system in light reactions
C4 pathway

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Photosynthesis and Respiration
Carbon fixation requires the expenditure of ATP molecules which is generated by

formation of glucose during the Calvin cycle
replenishment of chlorophyll
None of these
ETS (electron transfer system) during the light reactions

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

Carbohydrate
NADPH
O2
ATP

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Photosynthesis and Respiration
In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

chlorophyll b
NADP+
chlorophyll a
carbon dioxide

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