Which pair of pesticides acts by inhibiting acetylcholinesterase?

AMalathion and carbaryl
BDDT and aldrin
CBHC and dieldrin
D2,4-D and sodium chlorate

Answer: A

Malathion is an organophosphate and carbaryl is a carbamate; both inhibit acetylcholinesterase. DDT, aldrin, BHC and dieldrin are organochlorines, and 2,4-D and sodium chlorate are herbicides.

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