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Why can the effect of abscisic acid be useful for a plant during drought?

Answer and explanation

Correct answer: It can slow growth and help conserve water

The governing concept is plant response to water stress. During drought, abscisic acid helps the plant conserve water, especially by promoting stomatal closure, and it can reduce growth so limited water is directed to survival. Thus option A gives the best answer. Plants do not make blood, spinal cords, or insulin, so options B, C, and D are biologically unsuitable.

Related tags

Abscisic AcidDroughtWater ConservationPlant HormonesControl And CoordinationScienceClass 10 Mcq

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