NEET 2000 · Class 11

Photosynthesis in Higher Plants

For assimilation of one CO2 molecule, the energy required in form of ATP and NADPH2 are

  1. (A)2 ATP and 2 NADPH2
  2. (B)5 ATP and 3 NADPH2
  3. (C)3 ATP and 2 NADPH2
  4. (D)18 ATP and 12 NADPH2

The NCERT line that answers it

Verbatim line

Hence for every $\text{CO}_2$ molecule entering the Calvin cycle, 3 molecules of ATP and 2 of NADPH are required.

Chapter
Photosynthesis in Higher Plants
Section
11.7 WHERE ARE THE ATP AND NADPH USED?
Page
14
Words matched
15 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 'for every CO2 molecule entering the Calvin cycle, 3 molecules of ATP and 2 of NADPH are required', which directly matches option C and distinguishes it from all other options.

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