Heroin is obtained from plant of family

Alcohol addiction causes

The outline structure of a drug is given below.

$(a)$ Which group of drugs does this represent ?

$(b)$ What are the modes of consumption of these drugs ?

$(c)$ Name the organ of the body which is affected by consumption of these drugs.

Physical and mental dependency over any specific drug is known as

Sleep is prevented by

Select the correct statement from the once given below