NEET 1989 · Class 11

Photosynthesis in Higher Plants

In C4 plants, Calvin cycle operates in

  1. (A)stroma of bundle sheath chloroplasts
  2. (B)grana of bundle sheath chloroplasts
  3. (C)grana of mesophyll chloroplasts
  4. (D)stroma of mesophyll chloroplasts

The NCERT line that answers it

Verbatim line

In the bundle sheath cells the Calvin pathway is carried out for the synthesis of carbohydrates.

Chapter
Photosynthesis in Higher Plants
Section
11.10 FACTORS AFFECTING PHOTOSYNTHESIS
Page
20
Words matched
16 of 16

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

How this line gives the answer

0, emb=0.8903, combined=0.9342). Verified: high — The span explicitly states 'In the bundle sheath cells the Calvin pathway is carried out', which directly matches option A's 'stroma of bundle sheath chloroplasts' since the Calvin cycle occurs in the stroma.

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Question text is reproduced from the published NEET 1989 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.