Source of nicotine is _____ of tobacco.

What is the source of tobacco.

What is the source of tobacco.

Tobacco is

Tobacco is

Tobacco is

Nicotine is a ____________.

Nicotine is a narcotic drug.

Discuss the effect of nicotine on the body.

Assertion Nicotine is an alkaloid found in tobacco. Reason Nicotine is used in the preparation of niacin vitamin.