A) Oxygen is not given off
B) Water is not consumed
C) Only photosystem-I is involved
D) \[NADP{{H}_{2}}\] formation
Correct Answer: D
Solution :
Cyclic photophosphorylation is performed by PST only. It involves a cyclic electron flow, in which the photoexcited electrons from PS-I are occasionally shunted back to chlorophyll via the electron transport chain. This cyclic electron flow supplements the supply of ATP but produces no NADPH. Non-cyclic photophosphorylation involves both PS-I and PS-II. Splitting of water, release of oxygen and production of NADPH takes place during it.
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