During light-dependent reactions, light energy is converted…

Biology Photosynthesis in Higher Plants Statement Based Questions Single Correct MCQ

Published on: August 21, 2026

During light-dependent reactions, light energy is converted to chemical potential energy through the process of chemiosmosis in the chloroplasts.

Which of the following statements about this process is false?

(i) The electron carriers of phosphorylation are located in the thylakoid

(ii) During phosphorylation, the chloroplast stroma becomes more acidic than the interior of thylakoid membrane

(iii) Protons diffuse through the protein channels which are CF 0 of the ATP synthase molecules

(iv) ATP is formed from ADP + Pi on the stroma side of the thylakoid in the chloroplast.

(v) During phosphorylation, water splites to form H + + 2OH - , yielding an e - to PS-II

(i), (ii) and (v)

only (ii)

(iii) and (iv)

only (iv)

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