Plasmodium life cycle is

Options

A. Digenetic
B. Monogenetic
C. Both 1 and 2
D. none of these

Answer

### Step-by-Step Solution for Plasmodium Life Cycle

1. **Understanding the Organism**: Plasmodium is a genus of parasitic protozoa known to cause malaria in humans. It has a complex life cycle involving two different hosts.

2. **Identifying the Hosts**: The life cycle of Plasmodium involves:
- **Primary Host**: The female Anopheles mosquito, which is responsible for the transmission of the parasite.
- **Secondary Host**: Humans, where the parasite undergoes asexual reproduction.

3. **Life Cycle Stages**:
- **In the Mosquito**: The sexual reproduction of Plasmodium occurs in the mosquito. The mosquito ingests the gametocytes from an infected human when it bites.
- **In Humans**: The sporozoites are injected into the human bloodstream during a mosquito bite. They travel to the liver, where they multiply and develop into merozoites. These merozoites then enter red blood cells, where they continue to reproduce asexually.

4. **Conclusion on Life Cycle Type**: Since Plasmodium requires two different hosts (the mosquito and the human) to complete its life cycle, it is classified as **Digenetic**.

5. **Final Answer**: The correct option is **1st option: Digenetic**.