Quinine is an antimalarial drug, which is obtained from the bark of

Options

A. Papaver somniferum
B. Cinchona officinalis
C. Plantago ovata
D. Atropa belladonna

Answer

**Step-by-Step Solution:**

1. **Understanding Quinine**: Quinine is an antimalarial drug that is historically used to treat malaria. It is derived from a natural source, specifically the bark of a tree.

2. **Identifying the Source**: The question asks from which tree's bark quinine is obtained. The options provided are:
- Papaver somniferum
- Chinchona officinalis
- Plantago ovata
- Atropa belladonna

3. **Researching the Options**:
- **Papaver somniferum**: This is the opium poppy, known for producing opiates, not quinine.
- **Chinchona officinalis**: This is the correct answer. It is known as the cinchona tree, and its bark contains quinine.
- **Plantago ovata**: This plant is known for its seeds (psyllium) and is not related to quinine.
- **Atropa belladonna**: Also known as deadly nightshade, it is toxic and not related to quinine.

4. **Conclusion**: After analyzing the options, we conclude that quinine is obtained from the bark of **Chinchona officinalis**.

**Final Answer**: Quinine is obtained from the bark of **Chinchona officinalis**.

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