NEET 2020 · Class 11

Respiration in Plants

The number of substrate level phosphorylations in one turn of citric acid cycle is [2020]

  1. (A)One
  2. (B)Two
  3. (C)Three
  4. (D)Zero

The NCERT line that answers it

Verbatim line

During the conversion of succinyl-CoA to succinic acid a molecule of GTP is synthesised.

Chapter
Respiration in Plants
Section
12.4.1 Tricarboxylic Acid Cycle
Page
6
Words matched
20 of 20

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 'During the conversion of succinyl-CoA to succinic acid a molecule of GTP is synthesised. This is a substrate level phosphorylation,' which directly identifies the single substrate-level phosphorylation event in one turn of the citric acid cycle.

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Question text is reproduced from the published NEET 2020 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.