Sprinkling oil over ponds would control malaria because
Fishes die
Water gets polluted
Larvae are asphyxiated
Mosquitoes are repelled
Which of the following is a communicable disease
Malaria parasite harm liver cells
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.
The percentage of population suffering from serious mental illness is
In the given flow chart, the replication of retrovirus in a host cell is shown. Observe it carefully and fill up the blank $A, B$ and $C$