<prompt> Which of the following represents a non deliberate cultural practice leading to anti-mosquito effect -Use of alkaline detergentUse of larvicidal agentsUse of bed netsUse of repellents  <response>: Larvicide agents are anti-larval measure. Bed net and repellants are used as protection against mosquito bites Parks Textbook of Preventive and Social Medicine, 25th Edition, Pg 832 