Quinine is obtained from

Options

A. Cinchona root
B. Bark of Cinchona stem
C. Cinchona stem
D. None of the above.

Answer

**Step-by-Step Solution:**

1. **Understanding Quinine**: Quinine is a natural compound known for its medicinal properties, particularly in treating malaria.

2. **Historical Context**: Quinine was first isolated in the year 1820. This historical fact is important as it relates to the source of quinine.

3. **Identifying the Source**: Quinine is derived from the bark of a specific tree. The tree from which quinine is obtained is known as the Cinchona tree.

4. **Conclusion**: Based on the information gathered, the correct answer to the question "Quinine is obtained from" is the bark of the Cinchona tree.

**Final Answer**: Quinine is obtained from the bark of the Cinchona tree.

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