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Question

Cyclic photophosphorylation will not occur without:

A
H2O
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B
Photosystem-II
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C
Chlorophyll a
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D
NADP+
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Solution

The correct option is C Chlorophyll a
Cyclic photophosphorylation is performed by photosystem-I independently. There is no need of H2O as external source of electrons. Reaction centre in PS-I is chlorophyll a which has an absorption peak at 700 nm.

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