Plant growth regulators (PGRs) are

Question

Plant growth regulators (PGRs) are (A) Simple organic substances of different chemical composition (B) Complex organic substances of different chemical composition (C) Simple and complex organic substances of same chemical composition (D) Small organic substances of same chemical composition

Tardigrade Admin · Accepted Answer

PGRs are simple organic substances of different chemical composition.

Q. Plant growth regulators (PGRs) are

Simple organic substances of different chemical composition

Complex organic substances of different chemical composition

Simple and complex organic substances of same chemical composition

Small organic substances of same chemical composition

$PGR s$ are simple organic substances of different chemical composition.