Which alkaloid is found in opium

Which alkaloid is used for hypertension?

Which alkaloid is used for the malaria fever?

Which alkaloid is present in Beta nut ?

Alkaloids are

_________ is an alkaloid found in Cinchona bark.

Asseration : Nicotine is an alkaloid found in tabacco. Reason : It has several uses.

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

Alkaloid found in tabacco is…..

What are alkaloids ?