McqMate
| Q. |
Malaria can be cured with a drug extracted from |
| A. | Belladonna tree |
| B. | Cinchona tree |
| C. | Oak tree |
| D. | Neem tree |
| Answer» B. Cinchona tree | |
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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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