Bacterial disease is :

Options

A. Dengue
B. Poliomyelitis
C. Tuberculosis
D. Chicken pox

Explanation

To determine which of the options given is a bacterial disease, we can analyze each option step by step:

1. **Understanding the Options**:
- **Dengue**: This is a viral disease transmitted by mosquitoes, specifically the Aedes species. It is not caused by bacteria.
- **Poliomyelitis**: Commonly known as polio, this is also a viral disease caused by the poliovirus. It affects the nervous system and is not bacterial.
- **Tuberculosis (TB)**: This is a serious infectious disease caused by the bacterium Mycobacterium tuberculosis. It primarily affects the lungs and can be transmitted from person to person through droplets when an infected person coughs or sneezes.
- **Chickenpox**: This is a viral infection caused by the varicella-zoster virus. It is characterized by an itchy rash and is not a bacterial disease.

2. **Identifying the Bacterial Disease**:
- From the analysis above, we can conclude that the only bacterial disease among the options provided is **C. Tuberculosis**.

3. **Conclusion**:
- Therefore, the correct answer to the question "Bacterial disease is:" is **C. Tuberculosis**.