Which one of the following growth regulators is known as 'stress hormone' ?
Correct answer: A. Abscisic Acid
- A. Abscisic Acid
- B. Ethylene
- C. GA 3
- D. Indole Acetic Acid
Explanation
Abscisic acid prepares plants to cope with stress conditions like drought etc. by inducing stomatal closure and other reactions. Hence it is named stress hormone.
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