PHOTOSYNTHESIS
LIGHT DEPENDENT REACTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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TRUE
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FALSE
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Detailed explanation-1: -Both Photosystem I and II are involved.
Detailed explanation-2: -PSI is involved in both cyclic and non-cyclic photophosphorylation. PS II is involved only in non-cyclic photophosphorylation. PS II is present in the appressed (inner) part of grana thylakoids. PS I is located in the non-appressed (outer) part of grana thylakoids as well as stroma thylakoids.
Detailed explanation-3: -(i) PS I is involved in non-cyclic photophosphorylation only. (ii) PS II is involved in both cyclic and non-cyclic photophosphorylation. (iii) Stroma lamellae membranes possess PS I only, whereas grana lamellae membranes possess both PS I and PS II.
Detailed explanation-4: -Thus, the correct answer is ‘Non cyclic photophosphorylation.