Question

Opium, morphine, heroin, pethidine and methadone are collectively called as
A) Tranquillisers
B) Stimulants
C) Hallucinogens
D) Opiate narcotics

Answer 1

B) opium, morphine,heroin,pethidine and methadone are collectively called as Stimulants

Answer 2

b) stimulants is correct answer