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Which of the following is common to cyclic and non-cyclic electron flow?

  • (a) PS I Correct
  • (b) NADP reductase Your answer
  • (c) PS II Your answer
  • (d) water splitting Your answer
Your answer: Correct answer: (a)
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Explanation

Why (a) is correct

PS I is common to both cyclic and non-cyclic electron flow.

Why the other options are wrong

  • (b) · your answer NADP reductase is used only in non-cyclic flow.
  • (c) · your answer PS II is used only in non-cyclic flow.
  • (d) · your answer Water is split only in non-cyclic flow.
NCERT point: Both kinds of flow make ATP.
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