‘Essay on population’ was published by
Malthus
Lamarck
Darwin
Mendel
A force which acts against the achievement of highest possible level to population growth is known as
Higher human population in cities is mainly due to
$NFCP$ stands for
Which of the following is the most sparsely populated state of India
$A$ : Every sixth person in the world is an Indian.
$R $: Life expectancy depends upon average life span