Question
One of the synthetic auxins is
-
NAA
-
IAA
-
GA
-
IBA
Solution
A.
NAA
The term auxin is applied to the indole -3-acetic acid (IAA) and to other natural and synthetic compounds having certain growth regulating properties.
NAA (Naphthalene Acetic Acid) and 2-4-D (2-4 dichlorophenoxy acetic acid) are synthetic auxins.
IAA and IBA (Indole Butyric acid) have been isolated from plants. All these auxins have been used extensively in agricultural and horticultural practices.
