The plant hormone used to destroy weeds in a field is:

Options

A. NAA
B. 2,4-D
C. IBA
D. IAA

Answer

B

Explanation

Some synthetic auxins are used as weedicides. Auxin 2, 4-D is widely used to remove broad leaved (dicotyledonous) weeds in cereal crops or monocotyledonous plants. NAA is a synthetic auxin. IBA and IAA are natural auxins