<prompt> Which of the following is Chemical stomach poison for mosquito?DDTMalathionParis greenPyrethrum  <response>: 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. 