Question:

Wilting of leaves is due to which phytohormone?

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ABA plays a key role in plant response to drought stress by regulating water loss.
Updated On: Oct 27, 2025
  • Ethylene
  • Abscisic acid
  • Cytokinin
  • Auxin \bigskip
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The Correct Option is B

Solution and Explanation

Abscisic acid (ABA) causes stomatal closure, leading to water conservation and the wilting of leaves under stress conditions.
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