You Are Part of a Desert Plant Research Team Trying

Multiple Choice

You are part of a desert plant research team trying to discover crops that will be productive in arid climates. You discover a plant that produces a hormone under water-deficit conditions that triggers a suite of drought responses. Most likely the hormone is

A) ABA.
B) GA.
C) IAA.
D) 2, 4-D.
E) salicylic acid.