quinine is got from bark of

Options

A. Atropa belladona
B. Ferula asafoetida
C. Curcuma domestica
D. Cinchona officinalis.

Answer

To answer the question "Quinine is obtained from the bark of which plant?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Quinine**: Quinine is an alkaloid known for its medicinal properties, particularly in treating malaria, which is caused by the Plasmodium parasite.

2. **Identifying the Source**: Quinine is specifically derived from the bark of a particular tree. This tree is known for its historical use in medicine, especially in tropical regions where malaria is prevalent.

3. **Evaluating the Options**:
- **Atropa belladonna**: This plant is known for producing belladonna, a painkiller, but it does not produce quinine. Therefore, this option is incorrect.
- **Ferula asafoetida**: This plant is known for its use in treating respiratory conditions and as a spice, but it is not a source of quinine. Thus, this option is also incorrect.
- **Curcuma domestica**: This plant is commonly known for turmeric, which has various medicinal uses, but it does not yield quinine. Hence, this option is incorrect.
- **Cinchona officinalis**: This is the scientific name for the cinchona tree, which is the only known source of quinine. This option is correct.

4. **Conclusion**: Based on the evaluation of the options, quinine is obtained from the bark of **Cinchona officinalis**.

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

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