Which of the following is protozoal disease?

Options

A. Mumps
B. Measeis
C. Syphilis
D. Malaria

Answer

To determine which of the following diseases is a protozoal disease, we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the Diseases**:
- We need to identify the diseases listed in the question. The diseases mentioned are Mumps, Measles, Syphilis, and Malaria.

2. **Classify Each Disease**:
- **Mumps**: This is a viral disease. It is caused by the mumps virus and primarily affects the salivary glands.
- **Measles**: This is also a viral disease. It is caused by the measles virus and spreads through respiratory droplets.
- **Syphilis**: This is a bacterial disease. It is caused by the bacterium Treponema pallidum and is transmitted through sexual contact.
- **Malaria**: This is a protozoal disease. It is caused by the protozoan parasites of the genus Plasmodium and is transmitted through the bite of infected female Anopheles mosquitoes.

3. **Determine the Protozoal Disease**:
- From our classification, we can see that Malaria is the only disease caused by a protozoan. The other diseases (Mumps, Measles, and Syphilis) are caused by viruses or bacteria.

4. **Conclusion**:
- Therefore, the correct answer to the question "Which of the following is a protozoal disease?" is **Malaria**.

### Final Answer:
- The protozoal disease among the options given is **Malaria**.

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