NEET 1996 · Class 11

Photosynthesis in Higher Plants

In C4 plants, CO2 fixation is done by

  1. (A)sclerenchyma
  2. (B)chlorenchyma and hypodermis
  3. (C)mesophyll cells
  4. (D)guard cells

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
23 of 28

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 the primary CO2 acceptor PEP is present in mesophyll cells, which directly answers the question about where CO2 fixation occurs in C4 plants.

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