Question

which statement is true? (1 point)

abscisic acid regulates water loss in plants by making plants close their stomata during cold weather.

abscisic acid regulates water loss in plants by making plants close their stomata during hot weather.

abscisic acid regulates dormancy in plants by suspending plant growth during hot weather.

abscisic acid regulates dormancy in plants by activating plant growth during cold weather.

Explanation:

Abscisic acid (ABA) is a plant hormone that primarily regulates water loss by inducing stomatal closure, especially during hot weather to reduce transpiration. It does not activate growth and its dormancy regulation is not the focus here.

Answer:

B. Abscisic acid regulates water loss in plants by making plants close their stomata during hot weather.