Delhi Police Constable Exam Model Paper 3

• It is extracted from the bark of the cinchona tree
• Quinine was first isolated in 1820.
• Quinine is also used for the treatment of babesiosis.
• Quinine is the ingredient in tonic water that gives it its bitter taste.
• Quinine is on the world health organization's list of essential medicines.
• Malaria is caused byplasmodium parasite.

Drugs like vincristine and vinblastine extracted from vinca rosea are used for the treatment ofblood cancer.

Reserpine extracted from the plant serpentine is used for the treatment ofsystolic hypertension.