Which is the first protective insecticide?
A. Paris green
B. DDT
C. BHC
D. Pyrethroids
Answer: Option B
Solution(By Examveda Team)
The first protective insecticide is DDT.Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochloride.
DDT was first synthesized in 1874 by the Austrian chemist Othmar Zeidler. DDT's insecticidal action was discovered by the Swiss chemist Paul Hermann Müller in 1939.
This Question Belongs to Agriculture >> Agricultural Entomology
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