NEET 2003 · Class 11

Respiration in Plants

In which one of the following do the two names refer to one and the same thing?

  1. (A)Krebs' cycle and Calvin cycle
  2. (B)Tricarboxylic acid cycle and citric acid cycle
  3. (C)Citric acid cycle and Calvin cycle
  4. (D)Tricarboxylic acid cycle and urea cycle

The NCERT line that answers it

Verbatim line

The diagram illustrates the Citric Acid Cycle (TCA cycle) as a circular metabolic pathway.

Chapter
Respiration in Plants
Section
12.4.1 Tricarboxylic Acid Cycle

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

How this line gives the answer

75, emb=1.0, combined=0.9). Verified: high — The span explicitly states 'Citric Acid Cycle (TCA cycle)' where TCA stands for Tricarboxylic Acid, directly equating the two names as referring to the same metabolic pathway.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

Question text is reproduced from the published NEET 2003 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.