Internal bleeding, muscular pain, fever, anaemia and blockage of the intestinal passage are the common symptoms of

Which virus, for the first time, was synthesised in the form of non-living crystals

Assertion : Dope test is used to estimate the level of blood alcohol by analyzing the breath of persons drinking alcohol.

Reason : A drunken person usually feels tense and less talkative.

‘Hydrophobia' (Rabies) is a disease caused by

Immunodeficiency makes a person highly susceptible to infection. It is caused by

Cirrhosis is