The most widely used herbicide in the world, 2,4-D, is a synthetic form of ____.
A) abscisic acid
B) ethylene
C) salicylic acid
D) gibberellin
E) auxin

Question

Quizplus · Accepted Answer

2,4-D is a synthetic form of auxin, a class of plant hormones that regulate growth and development. It is used as a herbicide to control broadleaf weeds by mimicking the action of natural auxin, leading to uncontrolled growth and eventually the death of the plant.

The Most Widely Used Herbicide in the World, 2,4-D, Is