People suffering from mental diseases in India number
$1-1.5$ million
$6 -7$ million
$10 -15$ million
$60 -70$ million
Which one of the following statements is correct ?
Interferons are produced in response to
Who stated that human population grows geometrically?
$A$ - Smoking increases $O_2$, content in blood. $R$ - Nicotine stimulates adrenal gland.