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The final acceptor of electrons in non-cyclic electron transport is

  • (a) O2 Your answer
  • (b) PS II Your answer
  • (c) NADP+ Correct
  • (d) water Your answer
Your answer: Correct answer: (c)
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Explanation

Why (c) is correct

In non-cyclic electron transport, the final acceptor of electrons is NADP+, which is reduced to NADPH.

Why the other options are wrong

  • (a) · your answer O2 is the final electron acceptor in respiration, not photosynthesis.
  • (b) · your answer PS II gives electrons away; it is near the start of the chain.
  • (d) · your answer Water is the electron donor, not the acceptor.
NCERT point: Electron path: H2O → PS II → ETC → PS I → NADP+.
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