Which of the following is Chemical stomach poison for mosquito?: (A) DDT, (B) Malathion, (C) Paris green, (D) Pyrethrum
Answer is C. Chemical measures for mosquito control:- Stomach poison: Paris green (anti-larval measure). It is copper acetoarsenite. Sodium fluoride is also a stomach poison of mosquito Nerve / contact poison: DDT, Pyrethrum, Malathion (Anti-adult measures). Act by inhibiting acetylcholinesterase enzyme.