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NEETBotanyPlant - Growth and Development

Which of the following plant growth regulators is a derivative of carotenoids?

Options

  1. AGibberellic acid
  2. BIndole-3-acetic acid
  3. CKinetin
  4. DAbscisic acid

Correct answer

D. Abscisic acid

Step-by-step solution

According to NCERT, plant growth regulators are broadly divided into groups based on their chemical composition. Abscisic acid (ABA) is a derivative of carotenoids. Among the other options, Gibberellic acid is a terpene, Indole-3-acetic acid (IAA) is an indole compound, and Kinetin is an adenine derivative. Answer: Abscisic acid

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