NEET 1997 · Class 11

Respiration in Plants

Which of the following is the key intermediate compound linking glycolysis to the Krebs' cycle?

  1. (A)Malic acid
  2. (B)Acetyl CoA
  3. (C)NADH
  4. (D)ATP

The NCERT line that answers it

Verbatim line

Pyruvic acid is transported into the mitochondria where it is converted into acetyl CoA with the release of $\text{CO}_2$ .

Chapter
Respiration in Plants
Section
12.7 RESPIRATORY QUOTIENT
Page
11
Words matched
36 of 37

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

How this line gives the answer

8, emb=0.8574, combined=0.8344). Verified: high — The span explicitly states that pyruvic acid is converted into acetyl CoA, which directly links glycolysis (where pyruvic acid is produced) to the Krebs' cycle (where acetyl CoA enters), making it the key intermediate compound.

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Question text is reproduced from the published NEET 1997 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.