Q30 / 200 · NEET 2009 (Screening) · Botany

Which one of the following acids is a derivative of carotenoids?

  • A
    Indole-butyric acid
  • B
    Indole-3-acetic acid
  • C
    Gibberellic acid
  • Correct answer
    D
    Abscisic acid

Solution

Abscisic acid is a terpenoid, $i e$, a derivative of steroid. Indole butyric acid and indole-3-acetic acid are auxins, which are weak organic acids. Gibberellic acid (gibberellin) is a terpene.

Hence, the correct answer is option: 'D'.

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