Ringworm is caused by

Options

A. Round worm
B. Bacteria
C. Fungi
D. Virus

Answer

**Step-by-Step Solution:**

1. **Understanding Ringworm**: Ringworm is a skin infection that appears as a ring-shaped rash. It is important to identify the cause of this infection.

2. **Identifying the Type of Infection**: Ringworm is classified as a fungal infection. This means that it is not caused by bacteria or viruses.

3. **Identifying the Causative Agent**: The specific type of fungi that causes ringworm is known as *Trichophyton*. This mold-like fungus thrives on the outer layer of the skin.

4. **Transmission**: Ringworm can spread from person to person through direct contact, making it contagious.

5. **Eliminating Incorrect Options**:
- Roundworms are intestinal parasites and do not cause ringworm.
- Bacterial infections are different; for example, tuberculosis is caused by bacteria, not fungi.
- Viral diseases, such as those caused by the Tobacco Mosaic Virus, do not cause ringworm.

6. **Conclusion**: Based on the information, the correct answer to the question "Ringworm is caused by" is *Trichophyton*, which is a type of fungus.

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