Consider the following statements. A. \( \mathrm{H}_{2} \mathrm{O} \) is electron donor in photo...

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Consider the following statements.
A. \( \mathrm{H}_{2} \mathrm{O} \) is electron donor in photosynthesis of green sulphur bacteria.
B. Dark reactions cannot occur in the absence of light.
C. Calvin cycle occurs in the grana of chloroplasts.
D. ATP is produced during light reaction via chemiosmosis.
How many statements are correct?
(A) 1
(B) 3
(C) 2
(D) 4
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