Choose the letter of the best match from the following:
-Influential in the opening and closing of stomata.

Question

Quizplus · Accepted Answer

Abscisic acid plays a major role in the regulation of stomatal opening and closing. It induces stomatal closure under water stress conditions and promotes stomatal opening under low light conditions. Auxin, cytokinin, ethylene, and gibberellin do not have a direct effect on stomatal regulation.

Choose the Letter of the Best Match from the Following