MPPSC 2012 General Studies Solved Paper-1

(A) The yellow fever mosquito,Aedes aegypti is a mosquito that can spread the denguefever, chikungunya and yellow fever viruses, and other diseases. In dengue virus-infected mosquitoes, the virus is present in their salivary glands.When a female Aedes aegypti bites a human for food, she injects saliva into the wound where the anti-coagulants contained in her saliva facilitate feeding.