Human population after $17$th century $A.D.$ is thought to be in
Lag phase
Exponential phase
Stationary phase
None of these
Which of the following can be taken as the most convincing factor for indicating the rapid increase in population growth of a country?
India was amongst the first countries in the world to initiate action plans and programmes at national level to attain reproductive health. The programmes called as 'family planning' were initiated in ______ year in India.
Average ratio of men and women in human population is
The percentage ratio of natality over mortality is called
According to the population of world, India is placed at