Which one of the following is not a matching pair of a drug and its category ?
Amphetamines $-$ stimulant
Lysergic acid dimethyl amide $-$ narcotic
Heroin $-$ psychotropic
Benzodiazepam $-$ pain killer
All the diseases are spread by housefly except
One of the inflammatory reaction induced by histamine is
Which is not a ’opiate narcotic'
$T-$lymphocytes mature in
The process of spreading the cancerous cells to distant site is known as