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  9. Q160

WBCS 2024 · Question 160 of 196

Growth inhibiting hormone of plant is

Science - Biology

  1. AAuxin
  2. BGibberellin
  3. CCytokinin
  4. DAbscisic acidCorrect

Answer: D. Abscisic acid

Explanation

Official WBPSC key (Series A): (D) Abscisic acid. Abscisic acid (ABA), the plant stress hormone, inhibits growth and promotes dormancy, whereas auxin, gibberellin and cytokinin generally promote growth.

Source: WBCS (Exe) etc. (Prelim) 2024, Series A

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