What can be diagnosed by the $ELISA$ test?

Match the following columns correctly.

Column-$I$	Column-$II$	Column-$III$
$(a)$ $Streptococcus$ $pneumoniae$	$(p)$ $3-7$ days	$(z)$ Common cold
$(b)$ $Salmonella$ $typhi$	$(q)$ $1-3$ weeks	$(x)$ Typhoid
$(c)$ $Rhinovirus$	$(r)$ $1-3$ days	$(y)$ Pneumonia

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.

Housefly transmits all the diseases except

In which way has the study of biology helped us to control infectious diseases?

$A$ - Smoking increases $O_2$ content in blood.
$R$ - Nicotine stimulates the adrenal gland.