If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has:
Declined grouth
Exponential growth
Zero population growth
None of these
When environmental conditions are favourable, then population growth curve will be
The cause of zero growth of population is
The growth of population is determined by
The birth and death rates of four countries are given below. Which one will have the least population growth rate?
$Country$ | $Birth\, rate$ $/1000$ | $Death$ $/1000$ |
$M$ | $15$ | $5$ |
$N$ | $25$ | $10$ |
$O$ | $35$ | $18$ |
$P$ | $48$ | $41$ |