$AIDS$ day is
$11^{th} \;July$
$1^{st}\; December$
$1^{st}\; July$
$7^{th}\; April$
The animal population becomes too large for its feeding source or its habitat, its members starve die but humans escape this disaster by
$A$ : Every sixth person in the world is an Indian.
$R $: Life expectancy depends upon average life span
$1^{st}$, $2^{nd}$, $3^{rd}$ dose of $DPT$ is given by
$I$. $6 \;weeks$ after birth
$II$. $10 \;weeks$ after birth
$III$. $14 \;weeks$ after birth
$IV$. $24 \;weeks$ after birth
$V$. $29\; weeks$ after birth
The measure of maximum rate of reproduction under optimal conditions is known as
Closely related, morphologically similar sympatric populations, but reproductively isolated, are designated as