McqMate
| Q. |
From the bark of which plant is quinine extracted? |
| A. | Eucalyptus |
| B. | Cinchona |
| C. | Neem |
| D. | Cedar |
| Answer» B. Cinchona | |
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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. |
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