Opium is obtained from

Morphine is a .........

Match the following columns correctly:

Column-$I$	Column-$II$
$(a)$ Barbiturates	$(i)$ Dilation of pupils
$(b)$ Amphetamines	$(ii)$ Pep pills
$(c)$ $\Delta-9-THC$	$(iii)$ Stimulates adrenal glands
$(d)$ Nicotine	$(iv)$ Synthetic sedative drug

Drugs like $LSD$, barbiturates, amphetamines, etc., are used as medicines to help patients with mental illness. However, excessive doses and abusive usage are harmful. Enumerate the major adverse effects of such drugs in humans.

Which of the following is a mild stimulant?

Match List $I$ with List $II$ :

List $I$	List $II$
$A.$ Cocaine	$I.$ Effective sedative in surgery
$B.$ Heroin	$II.$ Cannabis sativa
$C.$ Morphine	$III.$ Erythroxylum
$D.$ Marijuana	$IV.$ Papaver somniferum

Choose the correct answer from the options given below: