True about benzodiazepine is:

Ans. is'b'i.e., GABA facilitatorMechanism of action of benzodiazepines (BZDs):Acts on GABA-A receptors.BZDs receptor increase the conductance of Cl- channel.BZDs do not themselves increase Cl- conductance, i.e. they have only GABAfacilitatory but no GABA mimetic action. (Barbiturates have both GABA facilitatory and GABA mimetic actions).