In extreme drought conditions,which of the fo | vedclass

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(A) $ABA$ (Abscisic acid) is known as a stress hormone in plants.During extreme drought conditions,$ABA$ is synthesized in the leaves.It acts on the g

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$ABA$

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(A) $ABA$ (Abscisic acid) is known as a stress hormone in plants.During extreme drought conditions,$ABA$ is synthesized in the leaves.It acts on the guard cells of the stomata,triggering the efflux of potassium ions $(K^+)$ and water,which leads to the loss of turgor pressure.As a result,the stomata close to prevent excessive water loss through transpiration.

In extreme drought conditions,which of the following plant hormones is produced,causing the stomata to close?

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