Tuberculosis is caused by

Options

A. Mycobacterium sp.
B. Aspergillus sp.
C. Clostridium sp.
D. Vibrio sp.

Explanation

**Step-by-Step Solution:**

1. **Identify the Options**: The question provides four options: Mycobacterium species, Aspergillus species, Clostridium species, and Vibrio species.

2. **Analyze Each Option**:
- **Vibrio species**: This includes bacteria like Vibrio cholera, which primarily causes cholera and vibriosis. Thus, it is not related to tuberculosis.
- **Clostridium species**: This includes bacteria such as Clostridium botulinum, which causes botulism, and Clostridium tetani, which causes tetanus. These are not related to tuberculosis.
- **Aspergillus species**: This is a type of fungus that causes a condition known as aspergillosis. It does not cause tuberculosis.
- **Mycobacterium species**: This group includes Mycobacterium tuberculosis, which is specifically known to cause tuberculosis. It also includes Mycobacterium leprae, which causes leprosy.

3. **Conclusion**: Based on the analysis, tuberculosis is caused by Mycobacterium species, specifically Mycobacterium tuberculosis.

4. **Final Answer**: Tuberculosis is caused by Mycobacterium species.

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