The carrier of malaria - causing protozoan is :

Options

A. female Anopheles mosquito
B. cockroach
C. housefly
D. female Aedes mosquito

Answer

**Step-by-Step Solution:**

1. **Understanding Malaria and its Cause**: Malaria is a disease caused by a protozoan parasite known as Plasmodium. There are several species of Plasmodium that can cause malaria in humans.

2. **Identifying the Carrier**: The question asks for the carrier of the malaria-causing protozoan. A carrier is an organism that transmits a disease-causing pathogen from one host to another.

3. **Options Provided**: The options given are:
- A) Female Anopheles mosquito
- B) Cockroach
- C) Housefly
- D) Female Edinid mosquito

4. **Analyzing Each Option**:
- **Cockroach**: This insect is not known to transmit malaria.
- **Housefly**: While houseflies can carry other pathogens, they do not carry malaria.
- **Female Edinid mosquito**: This mosquito is known to be a carrier for yellow fever, not malaria.
- **Female Anopheles mosquito**: This is the known carrier of the Plasmodium protozoan that causes malaria.

5. **Conclusion**: Based on the analysis, the correct answer is that the carrier of the malaria-causing protozoan (Plasmodium) is the **Female Anopheles mosquito**.

**Final Answer**: A) Female Anopheles mosquito

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