Question
The synthetic hormone used as a weedicide is
Indole 3-acetic acid
gibberellic acid
2, 4- D
Indole butyric acid
Solution
C.
2, 4- D
High concentration of synthetic auxins such as 2, 4- D or 2, 4- Dichlorophenoxyacetic acid and 2, 4- T or 2, 4- Trichlorophenoxy acetic acid helps in destroying the dicot seeds.
Natural auxins are IAA or Indole 3-acetic acid and IBA or Indole butyric acid.
