NEET 2000 · Class 11

Biomolecules

Role of enzyme in reactions is to/as

  1. (A)decrease activation energy
  2. (B)increase activation energy
  3. (C)inorganic catalyst
  4. (D)none of the above

The NCERT line that answers it

Verbatim line

Enzymes lower activation energy of reactions and enhance greatly the rate of the reactions.

Chapter
Biomolecules
Section
9.8.6 Co-factors
Page
15
Words matched
14 of 14

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

How this line gives the answer

0, emb=0.8501, combined=0.9101). Verified: high — The span explicitly states 'Enzymes lower activation energy of reactions', which directly matches and proves option A as correct, distinguishing it from other options.

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.

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Question text is reproduced from the published NEET 2000 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.