NEET 2017 · Class 11

Photosynthesis in Higher Plants

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in

  1. (A)C4 plants
  2. (B)C2 plants
  3. (C)C3 and C4 plants
  4. (D)C3 plants

The NCERT line that answers it

Verbatim line

The primary $\text{CO}_2$ acceptor is a 3-carbon molecule **phosphoenol pyruvate (PEP)** and is present in the mesophyll cells.

Chapter
Photosynthesis in Higher Plants
Section
11.8 THE $\text{C}4$ PATHWAY
Page
15
Words matched
15 of 18

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

How this line gives the answer

0, emb=0.974, combined=0.9844). Verified: high — The span explicitly states 'The primary CO2 acceptor is a 3-carbon molecule phosphoenol pyruvate (PEP)' and the context clearly identifies this as part of the C4 pathway description, directly matching the MCQ's correct answer.

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Question text is reproduced from the published NEET 2017 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.