Nicotine is:

From which part of the plant are Bhang and Ganja obtained?

Which of the following are useful suggestions for the prevention and control of alcohol and drug abuse during adolescence?
$(1)$ Avoid undue peer pressure
$(2)$ Seeking professional and medical help
$(3)$ Looking for danger signs
$(4)$ Education and counselling
$(5)$ Seeking help from parents and peers

Which chemical substance affects the coronary artery disease?

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

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