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Which plant hormone is linked with growth inhibition and wilting of leaves?

Answer and explanation

Correct answer: Abscisic acid

Abscisic acid, commonly abbreviated as ABA, is associated with growth inhibition and plant responses to stressful conditions such as water shortage. During stress, it promotes stomatal closure, reducing water loss, and is therefore linked with wilting and dormancy-related responses. Gibberellin generally promotes stem growth, and cytokinin supports cell division and delays leaf ageing. Thyroxine is an animal hormone, so option C is the only suitable answer.

Related tags

Control CoordinationAbscisic AcidPlant HormonesPlant HormonesControl And CoordinationScienceClass 10 Mcq

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