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NEET2024BotanyPhotosynthesis in Higher PlantsActual

How many molecules of ATP and NADPH are required for every molecule of CO ₂ fixed in the Calvin cycle?

Options

  1. A2 molecules of ATP and 2 molecules of NADPH
  2. B3 molecules of ATP and 3 molecules of NADPH
  3. C3 molecules of ATP and 2 molecules of NADPH
  4. D2 molecules of ATP and 3 molecules of NADPH

Correct answer

C. 3 molecules of ATP and 2 molecules of NADPH

Step-by-step solution

For fixation of 1 molecule of CO ₂ in Calvin cycle 3 ATP molecules and 2 NADPH molecules are required.

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