NEET 1999 · Class 11

Photosynthesis in Higher Plants

Carbon dioxide acceptor in C3-plants is

  1. (A)PGA
  2. (B)PEP
  3. (C)RuDP
  4. (D)none of these

The NCERT line that answers it

Verbatim line

Carboxylation is the most crucial step of the Calvin cycle where $\text{CO}_2$ is utilised for the carboxylation of RuBP.

Chapter
Photosynthesis in Higher Plants
Section
11.7 WHERE ARE THE ATP AND NADPH USED?
Page
12
Words matched
11 of 19

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 'CO₂ is utilised for the carboxylation of RuBP', which directly identifies RuBP (RuDP) as the CO₂ acceptor in the Calvin cycle that operates in all photosynthetic plants including C₃ plants.

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Question text is reproduced from the published NEET 1999 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.