Which of the following sets of disease is caused by bacteria

Options

A. Cholera and tetanus
B. Typhoid and smallpox
C. Tetanus and mumps
D. Herpes and influenza

Answer

To determine which set of diseases is caused by bacteria, we will analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Option A: Cholera and Tetanus**
- **Cholera**: Caused by the bacterium *Vibrio cholerae*.
- **Tetanus**: Caused by the bacterium *Clostridium tetani*.
- **Conclusion**: Both diseases are caused by bacteria.

2. **Option B: Typhoid and Smallpox**
- **Typhoid**: Caused by the bacterium *Salmonella typhi*.
- **Smallpox**: Caused by the virus *Variola*.
- **Conclusion**: Typhoid is caused by bacteria, but smallpox is caused by a virus. Therefore, this option is incorrect.

3. **Option C: Tetanus and Mumps**
- **Tetanus**: Caused by the bacterium *Clostridium tetani*.
- **Mumps**: Caused by the virus *Paramyxovirus*.
- **Conclusion**: Tetanus is caused by bacteria, but mumps is caused by a virus. Therefore, this option is incorrect.

4. **Option D: Herpes and Influenza**
- **Herpes**: Caused by the virus *Herpes simplex virus (HSV)*.
- **Influenza**: Caused by various strains of the influenza virus.
- **Conclusion**: Both diseases are caused by viruses. Therefore, this option is incorrect.

### Final Answer:
The only set of diseases that is caused by bacteria is **Option A: Cholera and Tetanus**.

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