Amniocentesis is a process to
Determine any disease of heart
Determine any genetic disease of the embryo
Know about the diseases of the brain
Grow the cells on the culture medium
Norplant’ is the new form of birth control and it
Average ratio of men and women in human population is
Statement 1: Human population doubles after every $35 \;years$ as against $200\; years$ in $1600-1800$
Statement $2$: Rapid increase is due to the better health facilities
The least densely populated state of India is
The measure of maximum rate of reproduction under optimal conditions is known as