NEET 2025 · Class 11

Biomolecules

The protein portion of an enzyme is called:

  1. (A)Apoenzyme
  2. (B)Prosthetic group
  3. (C)Cofactor
  4. (D)Coenzyme

The NCERT line that answers it

Verbatim line

In these instances, the protein portion of the enzymes is called the apoenzyme.

Chapter
Biomolecules
Section
9.8.6 Co-factors
Page
14
Words matched
13 of 13

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 directly states 'the protein portion of the enzymes is called the apoenzyme,' which is the exact biological fact needed to answer the MCQ.

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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.

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Question text is reproduced from the published NEET 2025 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.