NEET 2012 · Class 11

Plant Growth and Development

Which one of the following generally acts as an antagonist to gibberellins?

  1. (A)Zeatin
  2. (B)Ethylene
  3. (C)ABA
  4. (D)IAA

The NCERT line that answers it

Verbatim line

In most situations, ABA acts as an antagonist to GAs.

Chapter
Plant Growth and Development
Section
13.4.3 Physiological Effects of Plant Growth Regulators
Page
12
Words matched
10 of 10

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 acts as an antagonist to GAs' (gibberellins), which directly answers the MCQ by identifying ABA as the antagonist to gibberellins.

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