Identify the given chemical structures and select the correct option.

Match the columns:

Column-$I$	Column-$II$	Column-$III$
$(a)$ Common cold	$(1)$ Streptococcus pneumoniae	$(P)$ Inflammation of hands and legs
$(b)$ Pneumonia	$(2)$ Rhinovirus	$(Q)$ Cancer of skin and vessels
$(c)$ $AIDS$	$(3)$ Retrovirus	$(R)$ Disease of nasal congestion
$(d)$ Elephantiasis	$(4)$ Filarial worms	$(S)$ Finger nails turn blue to gray in color

Identify the number of correct statements from the following:
$(1)$ Gene therapy is used in the treatment of $ADA$ deficiency.
$(2)$ Tetanus causes sustained muscle contraction. There is a lack of relaxation phase.
$(3)$ Cigarette smoking leads to asthma in the respiratory system.
$(4)$ $A$ transplanted kidney in a patient can fail due to cell-mediated immunity.
$(5)$ Serum globulin is an antibody.

Which of the following diseases is associated with mosquitoes?

Which of the following drugs are used to help patients suffering from mental illnesses like depression and insomnia?

Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown here?