MCQ
Which is not true regarding cyclic electron transfer system $(ETS)$ in thylakoid membrane of higher plants?
  • A
    Operates at low light intensity
  • B
    Only $PS$ $I$ is involved
  • C
    Act as a back up for $ATP$ synthesis
  • External electron donor is required

Answer

Correct option: D.
External electron donor is required
d
No, $PS$ $II$ donates electron.

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