Which of these diseases can spread through water?

Options

A. Cholera
B. Malaria
C. Hepatitis B
D. Tuberculosis

Answer

To determine which of the diseases listed can spread through water, we will analyze each disease one by one.

### Step-by-Step Solution:

1. **Identify the diseases listed**: The diseases provided are Cholera, Malaria, Hepatitis B, and Tuberculosis.

2. **Examine Cholera**:
- Cholera is caused by the bacterium *Vibrio cholerae*.
- It spreads primarily through contaminated food and water.
- Therefore, Cholera **can spread through water**.

3. **Examine Malaria**:
- Malaria is caused by the protozoan *Plasmodium*.
- It is transmitted by the bite of infected mosquitoes, not through water.
- Therefore, Malaria **does not spread through water**.

4. **Examine Hepatitis B**:
- Hepatitis B is caused by the Hepatitis B virus.
- It spreads through contact with infected body fluids such as blood and semen, not through water.
- Therefore, Hepatitis B **does not spread through water**.

5. **Examine Tuberculosis**:
- Tuberculosis is caused by the bacterium *Mycobacterium tuberculosis*.
- It spreads through airborne droplets when an infected person coughs or sneezes.
- Therefore, Tuberculosis **does not spread through water**.

6. **Conclusion**:
- Among the diseases listed, only **Cholera** can spread through contaminated water.

### Final Answer:
The disease that can spread through water is **Cholera**.

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