Aspergillosis is caused by :-

Options

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

Answer

**Step-by-Step Solution:**

1. **Understanding Aspergillosis**: Aspergillosis is an infection that affects humans and is associated with the inhalation of spores from a specific type of fungus.

2. **Identifying the Causative Agent**: The question asks what causes Aspergillosis. The options provided include virus, bacteria, fungi, and mycoplasma.

3. **Analyzing the Options**:
- **Virus**: Viruses are not responsible for Aspergillosis.
- **Bacteria**: Bacterial infections are different and do not cause Aspergillosis.
- **Fungi**: Aspergillosis is specifically caused by a type of fungus known as Aspergillus.
- **Mycoplasma**: Mycoplasma is a type of bacteria that lacks a cell wall and is not related to fungal infections.

4. **Conclusion**: Since Aspergillus is a common mold and is a type of fungus, the correct answer to the question "Aspergillosis is caused by:" is **option 3: fungi**.

**Final Answer**: Aspergillosis is caused by fungi.

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