Find out the odd one for parasitism

Options

A. Bed bug
B. Lice
C. Mite
D. Plasmodium

Answer

To solve the question of finding the odd one out in the context of parasitism, we need to analyze the given options:

1. **Bed Bug**
2. **Lice**
3. **Mite**
4. **Plasmodium**

### Step-by-Step Solution:

**Step 1: Understand the Types of Parasites**
- Parasites can be classified into two main categories: ectoparasites and endoparasites.
- **Ectoparasites** live on the outside of the host's body.
- **Endoparasites** live inside the host's body.

**Step 2: Analyze Each Option**
- **Bed Bug**: This is an ectoparasite that feeds on the blood of humans and other animals by biting their skin.
- **Lice**: These are also ectoparasites that live on the scalp or body of their hosts and feed on blood.
- **Mite**: Similar to bed bugs and lice, mites are ectoparasites that can live on the skin or hair of their hosts and feed on blood or skin.
- **Plasmodium**: This is an endoparasite that lives inside the host's body (specifically in the blood) and is responsible for causing malaria. It requires a vector (female Anopheles mosquito) for its life cycle.

**Step 3: Identify the Odd One Out**
- Based on the classification:
- Bed bugs, lice, and mites are all ectoparasites.
- Plasmodium is an endoparasite.
- Therefore, **Plasmodium** is the odd one out as it is the only endoparasite among the options provided.

**Step 4: Conclusion**
- The correct answer is **Plasmodium** because it differs from the others in being an endoparasite, while the others are ectoparasites.