What is the main problem caused by the use of pesticides [AIEEE 2004] – McqOptions

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1.	What is the main problem caused by the use of pesticides [AIEEE 2004]
A.	Their residues persists in water and other components of the environment
B.	Mosquitoes have become resistant to DDT
C.	They kill silkworm
D.	They deform the gills of some fishes
Answer» B. Mosquitoes have become resistant to DDT

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