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Stroma lamellae cannot carry out non-cyclic photophosphorylation because they lack

(a) PS I and ATP synthase Your answer
(b) chlorophyll a Your answer
(c) plastocyanin and ferredoxin Your answer
(d) PS II and NADP reductase Correct

Your answer: Correct answer: (d)

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Explanation

Why (d) is correct

Stroma lamellae lack PS II and NADP reductase, so they cannot carry out non-cyclic photophosphorylation.

Why the other options are wrong

(a) · your answer Stroma lamellae do have PS I and ATP synthase.
(b) · your answer They do have chlorophyll a (in PS I).
(c) · your answer These carriers are not what they lack.

NCERT point: Stroma lamellae carry out cyclic flow only.

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