Description : From the bark of which plant is quinine extracted? (1) Eucalyptus (2) Cinchona (3) Neem (4) Cedar
Last Answer : (2) Cinchona Explanation: Quinine, as a component of the bark of the cinchona tree, was used to treat malaria from as early as the 1600s. The bark of trees in this genus is the source of a variety of alkaloids, the most familiar of which is quinine, an antipyretic (anti-fever) agent.