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Question: Answered & Verified by Expert
Assertion : When six molecules of carbon dioxide participate in photosynthesis, 12 molecules of $\mathrm{NADP}^{+}$and $18 \mathrm{ATP}$ are used up, forming one hexose molecule.
Reason : The photosynthetic light reaction results in the formation of ATP and NADPH.
BiologyPhotosynthesis in Higher PlantsAIIMSAIIMS 2002
Options:
  • A If both the assertion and reason are true and reason is a correct explanation of the assertion.
  • B If both assertion and reason are true but assertion is not a correct explanation of the assertion.
  • C If the assertion is true but the reason is false.
  • D If both assertion and reason are false.
Solution:
2424 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true but assertion is not a correct explanation of the assertion.
When six molecules of carbon dioxide enter Calvin cycle, one hexose molecule is formed, whereas 18 ATP and $12 \mathrm{NADP}^{+}$molecules are used up. The light reaction of photosynthesis results in the formation of ATP and NADPH.

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