The scientist who propounded that population is a group of species
Darwin
Lamarck
Odum
Clark
The decreasing sequence of most populated first three cities of $M.P$. according to $1991$ census are
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.
$NMEP$ stands for
The physiological capacity of a population to produce offsprings is known as