The Relative Sizes of Roots and Shoots are Regulated by Interactions

Question

The relative sizes of roots and shoots are regulated by interactions between
A) gibberellins and abscisic acid.
B) auxins and cytokinins.
C) cytokinins and ethylene.
D) ethylene and abscisic acid.
E) abscisic acid and cytokinins.

Accepted Answer

Auxins and cytokinins interact to regulate the balance between root and shoot growth, with auxins promoting root development and cytokinins promoting shoot growth.