NEET 2002 · Class 11

Plant Growth and Development

Seed dormancy is due to the

  1. (A)ethylene
  2. (B)abscisic acid
  3. (C)IAA
  4. (D)starch

The NCERT line that answers it

Verbatim line

ABA plays an important role in seed development, maturation and dormancy.

Chapter
Plant Growth and Development
Section
13.4.3 Physiological Effects of Plant Growth Regulators
Page
12
Words matched
22 of 26

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 'ABA plays an important role in seed development, maturation and dormancy,' which directly links abscisic acid to seed dormancy, making option B correct.

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 2002 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.