Which of the following causes abortion in ladies?
Fungus
Bacteria
Mycoplasma
None of these
$ZIFT$ stands for
In India, marriageable age for boys is ______ and girls is ______ respectively.
The population growth of India from $1981$ to $1991$ is
Oral polio vaccine and hepatitis first dose is given to a child at
Higher human population in cities is mainly due to