Definitions [2]
Define sex ratio.
The sex ratio is the ratio of males to females in a population. In most sexually reproducing species, the ratio tends to be 1:1.
According to the United Nations, the sex ratio is defined as the number of males per 100 females.
Definition: Population Explosion
A population explosion means very rapid growth of the population, much faster than economic growth. In India, this has mostly happened because of a high birth rate and a much lower death rate in recent times.
