Home Biology Plant Growth and Development Plant Growth Regulators Which one of the following phytohormones is …
Biology Plant Growth and Development Plant Growth Regulators Single Correct MCQ
Published on: August 21, 2026

Which one of the following phytohormones is produced under water deficient condition and plays an important role in the tolerance response of plants to drought?

A
Abscisic acid
B
Cytokinin
C
Ethylene
D
Gibberellin

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