NEET Previous Year Question

Which hormone is used to induce immediate stomatal closure in leaves?

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. AGibberellin
  2. BAbscisic Acid
  3. CAuxin
  4. DCytokinin

Correct answer: B

Solution

(b) Abscisic acid (ABA) induces rapid stomatal closure during water stress by causing loss of water from guard cells, helping reduce water loss.

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