(A) Pyrethroid (X)
(B) Carbamates (X)
(C) Organo-chlorine ()
(D) Organio-phosphate (X)
Answers: The insecticides with longest residual effect belongs to Organo-chlorine.
(A) Pyrethroid (X)
(B) Carbamates (X)
(C) Organo-chlorine ()
(D) Organio-phosphate (X)
Answers: The insecticides with longest residual effect belongs to Organo-chlorine.
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