According to the world population,every ...... person is an Indian.

The term population explosion means

The population of India at the time of Christ was approximately

Which one of the following factors has contributed most to the rapid rise of the human population in the present century?

Which of the following does not help in the control of population growth?

$A$: Population of India crossed one billion in May $2000$.
$R$: It is the result of a rapid decline in death rate,maternal mortality rate $(MMR)$,and infant mortality rate $(IMR)$,as well as an increase in the number of people in the reproductive age.