Atropa belladona yields the medicine used for:

Options

A. malaria
B. checking the eyes
C. leprosy
D. constipation

Answer

**Step-by-Step Solution:**

1. **Identify the Plant**: The question mentions "Atropa belladona," which is a plant known for its medicinal properties.

2. **Understand the Family**: Atropa belladona belongs to the Solanaceae family. This is important as it helps in understanding the classification and potential uses of the plant.

3. **Source of Alkaloid**: Atropa belladona is known to yield an alkaloid called atropine. Alkaloids are naturally occurring compounds that often have significant pharmacological effects.

4. **Uses of Atropine**: Atropine is primarily used in medicine for several purposes, including:
- Eye examinations (dilating pupils)
- Treatment of certain types of poisoning
- As an antidote for nerve agent and pesticide poisoning

5. **Focus on the Options Given**: The question lists several medical conditions:
- Malaria
- Eye checking
- Leprosy
- Constipation

6. **Eliminate Incorrect Options**:
- Malaria is treated with quinine, not atropine.
- Leprosy is treated with multi-drug therapy, not atropine.
- Constipation is treated with laxatives, not atropine.

7. **Correct Answer**: The correct use of Atropa belladona (atropine) is for "checking the eyes," which corresponds to the option related to eye examinations.

**Final Answer**: Atropa belladona yields the medicine used for checking the eyes.

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