Measles is a disease which belongs to the category of:
(a) bacterial disease

(b) viral disease

(c) venereal disease

(d) protozoan disease

A combination of nitrocellulose and nitroglycerine is a propellant of the type:

(1) Hybrid propellant.

(2) Mono propellant.

(3) Double base propellant.

(4) Biliquid propellant.

Heroin is a derivative of:
(a) cocaine
(b) morphine
(c) caffeine
(d) nicotine

Cocaine is:
(a) vitamin
(b) poison
(c) medicine
(d) antipyretic

Placebo' is often given to patients. It is:
(a) an antidepressant
(b) a broad spectrum antibiotic
(c) a sugar pill
(d) a tonic

The antibiotic streptomycin is specific against:

(a) tuberculosis

(b) typhoid

(c) malaria

(d) AIDS

Various phenol derivatives, tincture of iodine (2-3% I₂ in water/alcohol) and some dyes like methylene blue are :

(1) antiseptics

(2) disinfectants

(3) analgesics

(4) antipyretics

The insecticide containing 99% $\mathrm{\gamma }$-isomer of benzene hexachloridc is known as:

(a) lindane

(b) TNT

(c) malathion

(d) methoxychlor

The poisonous gas evolved in Bhopal tragedy from the pesticide plant of Union Carbide Co. was:

(a) CO                    (b) methyl isocyanate

(c) phosgene          (d) chloropicrin

Oil of winter green and salol are the esters of:

1. salicylic acid

2. lactic acid

3. acetic acid

4. sulphanilic acid