Which among the following plant growth regulator is a terpene derivative?AABABEthyleneCGA 3DIAAAnswer: C. GA 3 Read Explanation: Gibberellin is a terpene chemically. Gibberellin will help in stem elongation, germination, and overcome genetic dwarfism. Abscisic acid is a phytohormone which is a carotenoid derivative.It causes the abscission of leaves. Read more in App