Physical and mental dependency on any specific drug is known as

Heroin is chemically known as $......$.

From which plant is marijuana obtained?

Select the incorrect statement regarding heroin.

It interferes with the transport of the neurotransmitter dopamine.

Drugs obtained from opium bind to specific receptors present in our $CNS$. Heroin,commonly called smack,is chemically $..........$,which is a white,odorless,bitter,crystalline compound. This is obtained by $..........$ of morphine.