Application of which of the following pairs of hormones will inhibit the growth of a plant?
Florigen and cytokinin
Auxin and gibberellin
Gibberellin and ethylene
Ethylene and abscisic acid
There are several classes of growth regulators. Some promote the growth like Auxins, Florigen, Cytokinins, Gibberellins, etc. while some are growth inhibitors like ethylene, abscisic and chlorocholine chloride.