From which plant parts are Bhang, Ganja, and Charas obtained?

Which of the following is associated with tobacco addiction?

Identify the correct statements from the following:
$(i)$ With repeated use of drugs,the tolerance level of the receptors present in the body increases.
$(ii)$ Youngsters often use drugs repeatedly due to financial gains.
$(iii)$ Lack of proper guidance or counseling leads individuals to become addicts.
$(iv)$ Repeated use of alcohol leads to 'withdrawal syndrome'.

Which substance is responsible for causing liver cirrhosis?

Addiction to tobacco is caused by the presence of

Which substance causes hallucinations in a person?