The correct option is C a, b and c
Barbiturates
Barbiturates are synthetic drugs commonly known as sleeping pills usually given to treat depression. The ‘street name’ of this drug is ‘sleepers’. They are abused as recreational drugs to reduce inhibitions.
Amphetamines
Amphetamines are synthetic drugs that are CNS stimulants. They are commonly known as pep pills, anti-sleep pills or supermen. They make a person more wakeful, alert and active. They are used in performance enhancement drugs and therefore, abused by sportspersons.
Benzodiazepines
Benzodiazepines are used for anxiety and phobic conditions. It is made up of a benzene and diazepine ring. They are highly addictive.
LSD
LSD (Lysergic acid diethylamide) colloquially known as ‘acid’ is obtained from the fungus Claviceps purpurea. It is considered to be a non-additive drug but people can get addicted to the hallucinations that they cause.
Correct option (a).