Trypanosoma brucei causes

Options

A. infection
B. amoebic dysentery
C. sleeping sickness
D. none of these.

Explanation

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about "Trypanosoma brucei," which is a protozoan parasite.

2. **Understand the Classification**: Trypanosoma brucei belongs to the kingdom Protista and is classified as a unicellular eukaryote. This means it is a single-celled organism with a defined nucleus.

3. **Determine the Nature of the Organism**: It is important to note that all protozoans, including Trypanosoma brucei, are heterotrophs. This means they rely on other organisms for their nutrition.

4. **Identify the Disease Caused**: The key point is to recognize what disease is caused by Trypanosoma brucei. This organism is known to cause a specific illness.

5. **Select the Correct Option**: Among the options given:
- Option A: Infection (too general)
- Option B: Amoebic dysentery (caused by a different organism)
- Option C: Sleeping sickness (correct)
- Option D: None of these (incorrect)

The correct answer is **Option C: Sleeping Sickness**.

**Final Answer**: Trypanosoma brucei causes sleeping sickness.

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