The drug which is effective in curing malaria is

Options

A. quinine
B. aspirin
C. analgin
D. equanil

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for a drug that is effective in curing malaria. We need to identify which of the given drugs is used specifically for this purpose.

2. **Identifying the Options**: The options provided are:
- Quinine
- Aspirin
- Equanil
- Analysis

3. **Analyzing Each Drug**:
- **Quinine**: This drug is known for its effectiveness in treating malaria. It has been historically used for this purpose and is derived from the bark of the cinchona tree.
- **Aspirin**: This is primarily an analgesic (pain reliever) and antipyretic (fever reducer). It is not used for treating malaria.
- **Equanil**: This is a tranquilizer used for anxiety and depression, not for malaria treatment.
- **Analysis**: This term does not refer to a specific drug and seems to be incorrectly listed.

4. **Conclusion**: Based on the analysis, the only drug among the options that is effective in curing malaria is **Quinine**.

5. **Final Answer**: The drug which is effective in curing malaria is **Quinine**.