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Question

Read the following four statements A, B, C and D, and select the right option having both correct statements.

Statements:

(A) Z scheme of light reaction occurs in the presence of PS I only.

(B) Only PS I is functional in cyclic photophosphorylation.

(C) Cyclic photophosphorylation results in the synthesis of ATP and NADPH2.

(D) Stroma lamellae lack PS II as well as NADP.


A

A and B

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B

B and D

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C

C and D

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D

B and C

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Solution

The correct option is B

B and D


In cyclic photophosphorylation, only PS I is present, and the electron given out by PS I returns to the same PS I.

PS II and NADP are present in the thylakoid lamellae.


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