Sequence the following steps in the correct order as they o…

Biology Photosynthesis in Higher Plants Skill Builder Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Sequence the following steps in the correct order as they occur in cyclic photophosphorylation:

PS I absorbs light
- - - -

Electron returns to photosystem I
- -

Proton gradient generates ATP
- -

Electron are excited and released from PS I Options: - - - -

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The correct answer is:

First, photosystem I absorbs light , energizing electrons that are then excited and released from PS I . This movement helps to generate a proton gradient used for ATP synthesis , after which the electron returns to photosystem I .

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