NEET 1999 · Class 11

Plant Growth and Development

ABA is involved in

  1. (A)shoot elongation
  2. (B)increased cell division
  3. (C)dormancy of seeds
  4. (D)root elongation

The NCERT line that answers it

Verbatim line

ABA inhibits seed germination.

Chapter
Plant Growth and Development
Section
13.4.3 Physiological Effects of Plant Growth Regulators

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 'ABA inhibits seed germination' directly implies ABA's role in seed dormancy, which is the specific biological fact that makes option C correct, as dormancy prevents germination.

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Question text is reproduced from the published NEET 1999 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.