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

Which disease is likely to be transmitted by sharing needles when taking drugs intravenously?

Choose the correct statement $-$

Match the items in List-$I$ with List-$II$ and select the correct option.

List-$I$	List-$II$
$(1)$ $ELISA$	$(A)$ Typhoid
$(2)$ Widal test	$(B)$ Diphtheria
$(3)$ Mantoux test	$(C)$ Tuberculosis
$(4)$ Schick test	$(D)$ $AIDS$

$A$ person exhibits unpredictable moods, outbursts of emotion, quarrelsome behavior, and conflicts with others. They are suffering from ....... disorder.

Given diseases: Pneumonia,Plague,Diphtheria,Common cold,Malaria,Ringworm,Amoebiasis,Dysentery,Typhoid,$AIDS$.
$\rightarrow$ Number of bacterial diseases $- P$
$\rightarrow$ Number of viral diseases $- Q$
$\rightarrow$ Number of protozoan diseases $- R$
$\rightarrow$ Number of fungal diseases $- S$
Select the correct option for $P, Q, R$ and $S$.