Match the incorrect pair.

State whether true or false :
$(1)$ Gastrointestinal tract,kidney and heart also produce hormones.
$(2)$ Pars distalis produces six trophic hormones.
$(3)$ $B$-lymphocytes provide cell-mediated immunity.
$(4)$ Insulin resistance results in a disease called diabetes mellitus.

Which pair is matched correctly?

Match the following columns and select the correct option:

Column-$I$	Column-$II$	Column-$III$
$a$. Opium poppy	$i$. Fruit	$p$. Cocaine
$b$. Cannabis indica	$ii$. Dried leaves	$q$. $LSD$
$c$. Ergot fungus	$iii$. Latex	$r$. Ganja
$d$. Erythroxylum coca	$iv$. Flowering tops	$s$. Opium

Which disease is transmitted from one person to another through infected needles or syringes?

Diseases spread through water medium $- P$
Diseases spread through air medium $- Q$
Diseases spread through insect vectors $- R$
$I -$ Common cold,$II -$ Amoebiasis,$III -$ Typhoid,$IV -$ Filariasis
$V -$ Pneumonia,$VI -$ Malaria,$VII -$ Ascariasis
Select the correct option for $P, Q$ and $R$.
$\quad P \quad\quad Q \quad\quad R$