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During drought, slow growth and wilting of leaves in a plant are more related to which hormone?

Answer and explanation

Correct answer: Abscisic acid

Drought creates water stress in a plant. Abscisic acid, or ABA, acts as an important stress-related hormone; it inhibits growth under unfavorable conditions and promotes stomatal closure, which helps reduce water loss. Its role therefore fits slow growth and drought responses, making option A correct. Gibberellin generally promotes growth, while testosterone and insulin are animal hormones unrelated to this plant response.

Related tags

Control CoordinationAbscisic AcidDrought StressPlant HormonesControl And CoordinationScienceClass 10 Mcq

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