Which plant hormone is responsible for regulating epinasty?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
23 May 2018
Last updated
28 May 2026

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Explanation

Epinasty, the downward curling of leaves or petals, is primarily controlled by auxins. Gibberellins, abscisic acid, and cytokinins influence other growth processes but are not the main regulators of epinasty.

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