Cocaine is a product of which plant?

From which of the following is Lysergic Acid Diethylamide $(LSD)$ derived?

In your locality,if a person is addicted to alcohol,what kind of behavioural changes do you observe in that person? Suggest measures to overcome the problem.

Explain adolescence in detail.

This is obtained by acetylation of morphine.

$L.S.D.$ is