NEET 2026 (cancelled) · Question 98 · Class 11

Photosynthesis in Higher Plants

The enzyme required for carboxylation in the Calvin cycle is:

  1. (A)PEP carboxylase
  2. (B)RuBP carboxylase - oxygenase
  3. (C)Carboxypeptidase
  4. (D)Hexokinase

The NCERT line that answers it

Verbatim line

This reaction is catalysed by the enzyme RuBP carboxylase which results in the formation of two molecules of 3-PGA.

Chapter
Photosynthesis in Higher Plants
Section
11.7 WHERE ARE THE ATP AND NADPH USED?
Page
12
Words matched
39 of 39

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that carboxylation in the Calvin cycle is catalyzed by RuBP carboxylase, which is the correct enzyme, and also mentions its oxygenation activity, directly supporting option B.

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Question text is reproduced from the published NEET 2026 (cancelled) 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.