A population of plants experienced several years of severe drought. Most of the plants died due to lack of water, but a few individuals survived. The surviving plants probably produced higher levels of which of the following hormones?
A) auxin
B) gibberellin
C) cytokinin
D) abscisic acid

Question

Quizplus · Accepted Answer

Abscisic acid is known as the stress hormone in plants, playing a crucial role in enabling plants to withstand drought conditions. It helps in closing the stomata to reduce water loss through transpiration, thereby increasing the plant's ability to survive during periods of water scarcity.

A Population of Plants Experienced Several Years of Severe Drought