A) 2, 4 - dichlorophenoxy acetic acid and 2, 4. 5-7
B) gibberellic acid
C) 2, 4, 5 - trichlorophenoxy acetic acid
D) indole - 3 -acetic acid
Correct Answer: A
Solution :
A high concentration of 2, 4-D and 2, 4, 5-T (2, 4, 5- tri-chlorophenoxy acetic acid) can kill/destroy the dicot weed with broad leaves like chenopodium in field of wheat. These two weedicides are synthetic auxin hormone,
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