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Biology · PYQ NEET UG 2020

हिन्दी

Which of the following is NOT inhibitory substance governing seed dormancy?

  1. Abscisic acid
  2. Phenolic acid
  3. Para-ascorbic acid
  4. Gibberellic acid

Correct answer · Option 4

Gibberellic acid

Explanation

Gibberellic acid (\( \text{GA}_3 \)) is a plant growth promoter that breaks seed dormancy, whereas abscisic acid, phenolic acid, and para-ascorbic acid are inhibitory substances governing seed dormancy.
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