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Which of the following statements is tru...

Which of the following statements is true with regard to light reaction of photosynthetic mechanism in plants

A

Chlorophyll A occurs with peak absorption at 680 nm in photosystem I and at 700 nm in photosystem II

B

Magnesium and sodium ions are associated with photolysis of water molecules

C

`O_2` is evolved during cyclic photophosphorylation

D

Photosystems I and II are both involved in non–cyclic photophosphorylation

Text Solution

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The correct Answer is:
D

Non-cyclic electron transport involves the participation of both PSI and PSII. The first step is photooxidation of water resulting splitting of water into `H^+, e^-` and release of `O_2`, it is concerned with the reduction of `NADP^+` and production of ATP.
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