Go through the following statements about the chemiosmotic …

Biology Photosynthesis in Higher Plants Statement Based Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Go through the following statements about the chemiosmotic mechanism:

(i) Protons are pumped across a membrane

(ii) Protons return through the membrane by way of a channel protein

(iii) ATP is required for protons to return

(iv) The membrane in question is thylakoid membrane or inner mitochondrial membrane

(v) Proton pumping can’t associated with the respiratory chain

Only (v) is incorrect

Only (iii) is incorrect

(i), (iii) and (v) are incorrect

(iii) and (v) are incorrect

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