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Question

One of the following is electron donor to P680 during light reactions of photosynthesis:

A
NADPH
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B
Phytochrome
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C
Chlorophyll
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D
Water
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Solution

The correct option is D Water
During light reaction of photosynthesis, photolysis of water take place and electrons are released. These released electrons are accepted by P680, reaction center of photosystem II.

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