Drug used in curing respiratory ailments is obtained from

Options

A. Taxus
B. Ephedra
C. Pinus
D. Ginkgo

Answer

To solve the question regarding which drug used in curing respiratory ailments is obtained from a specific source, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Options**: The question provides four options: Taxus, Ephedra, Pinus, and Ginkgo. We need to evaluate each of these plants to determine which one is used for respiratory ailments.

2. **Evaluate Taxus**: Taxus is known for its medicinal properties, primarily used for relieving fever and pain. It is commonly used in Ayurvedic medicine but is not specifically known for treating respiratory ailments.

3. **Evaluate Ephedra**: Ephedra is a plant that is recognized for its medicinal properties related to respiratory issues. It is often used in the treatment of conditions such as asthma and chronic obstructive pulmonary disease (COPD). Therefore, it is a strong candidate for the answer.

4. **Evaluate Pinus**: Pinus, or pine, is known for its use as a liver tonic and is not associated with treating respiratory ailments. Its primary medicinal use is related to liver purification.

5. **Evaluate Ginkgo**: Ginkgo is primarily known for its effects on cerebral health, particularly in improving blood flow and treating cerebral vascular issues. It does not have a direct application in treating respiratory ailments.

6. **Conclusion**: After evaluating all the options, it is clear that Ephedra is the plant that is specifically used for curing respiratory ailments. Therefore, the correct answer to the question is Ephedra.

### Final Answer:
The drug used in curing respiratory ailments is obtained from **Ephedra**.

---