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NEET
Exam
NEET
Subject
Botany
Chapter
Plant - Growth and Development

NEET · Botany · Plant - Growth and Development

Which plant growth regulator is a derivative of carotenoids?

Which plant growth regulator is a derivative of carotenoids?

Options

  1. AGibberellic acid (GA3)
  2. BIndole-3-acetic acid (IAA)
  3. CN6-furfurylamino purine
  4. DAbscisic acid (ABA)

Correct answer

D. Abscisic acid (ABA)

Step-by-step solution

The plant growth regulators (PGRs) are small, simple molecules of diversechemical composition. They could be indole compounds (indole-3-acetic acid, IAA); adenine derivatives (N6 -furfurylamino purine, kinetin), derivatives of carotenoids (abscisic acid, ABA); terpenes (gibberellic acid, GA3) or gases (ethylene, C2H4)

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