Due to which typhoid occurs ?

Options

A. Bacteria
B. Virus
C. Fungi
D. Protozoa

Explanation

### Step-by-Step Solution:

1. **Understanding Typhoid**:
- Typhoid is a disease that primarily affects the intestinal tract and can lead to severe illness if not treated properly.

2. **Identifying the Cause**:
- The question asks about the microorganism responsible for causing typhoid. We need to determine whether it is caused by bacteria, viruses, fungi, or protozoa.

3. **Recognizing the Correct Microorganism**:
- Among the options provided (bacteria, virus, fungi, protozoa), typhoid is known to be a bacterial disease.

4. **Specific Bacteria Responsible**:
- The specific bacterium that causes typhoid fever is called *Salmonella typhi*.

5. **Transmission of Typhoid**:
- Typhoid is commonly transmitted through contaminated food and water. Consuming polluted water or food that has been contaminated can lead to infection.

6. **Conclusion**:
- Therefore, the correct answer to the question "Due to which typhoid occurs?" is that it occurs due to bacteria, specifically *Salmonella typhi*.

### Final Answer:
Typhoid occurs due to bacteria, specifically *Salmonella typhi*.

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