Non-cyclic photophosphorylation involves

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(C) Non-cyclic photophosphorylation,also known as the $Z$-scheme,is a process in photosynthesis where electrons move in a non-cyclic manner.This proce

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Both $A$ and $B$

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(C) Non-cyclic photophosphorylation,also known as the $Z$-scheme,is a process in photosynthesis where electrons move in a non-cyclic manner.This process involves both photosystems,$PS-I$ and $PS-II$,working in series.$PS-II$ absorbs light energy,leading to the photolysis of water and the release of electrons.These electrons are then transferred through an electron transport chain to $PS-I$,which subsequently reduces $NADP^+$ to $NADPH$.Since both photosystems are required for the flow of electrons from water to $NADP^+$,the correct answer is both $A$ and $B$.

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