Which of the following represents a non deliberate cultural practice leading to anti-mosquito effect -: (A) Use of alkaline detergent, (B) Use of larvicidal agents, (C) Use of bed nets, (D) Use of repellents
Answer is A. Larvicide agents are anti-larval measure. Bed net and repellants are used as protection against mosquito bites Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 832