If you wanted to genetically engineer a plant to be more resistant to drought, increasing amounts of which of the following hormones might be a good first attempt?
A) abscisic acid
B) brassinosteroids
C) gibberellins
D) cytokinins
E) auxin

Question

Quizplus · Accepted Answer

Abscisic acid is known to play a key role in plant response to drought stress by regulating stomatal closure, reducing water loss and increasing water-use efficiency. Therefore, increasing amounts of abscisic acid may increase the plant's ability to withstand drought conditions.

If You Wanted to Genetically Engineer a Plant to Be