NEET 1988 · Class 11

Photosynthesis in Higher Plants

Carbon dioxide joins the photosynthetic pathway in

  1. (A)PS I
  2. (B)PS II
  3. (C)light reaction
  4. (D)dark reaction

The NCERT line that answers it

Concept-grounded

In the carbon fixation cycle, $\text{CO}_2$ is added by the enzyme, RuBisCO, to a 5-carbon compound RuBP that is converted to 2 molecules of 3-carbon PGA.

Chapter
Photosynthesis in Higher Plants
Section
11.10 FACTORS AFFECTING PHOTOSYNTHESIS

The answer is taught in this NCERT section but is not one quotable sentence. It needs combining facts or applying the idea.

How this line gives the answer

Claim discrepancy: claimed , GPT says D. Matched with override at hybrid rank 2.

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Question text is reproduced from the published NEET 1988 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.