The spread of $AIDS$ disease is promoted by
Homosexuality
Immoral way of life
Use of infected needles in blood transfusion
All the above
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.
A person who is addict of alcohol gets his liver destroyed because
Infectious proteins are present in
Common symptoms of measles are
Which virus, for the first time, was synthesised in the form of non-living crystals