The part of life cycle of malarial parasite Plasmodium vivax, that is passed in female Anopheles is

Options

A. sexual cycle
B. pre-erythrocytic schisogony
C. exo-erythrocytic schisogony
D. post-erythrocytic schisogony

Explanation

To answer the question about the part of the life cycle of the malarial parasite Plasmodium vivax that is passed in the female Anopheles mosquito, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Life Cycle of Plasmodium vivax**:
- The life cycle of the malaria parasite involves two main phases: a sexual cycle and an asexual cycle.

2. **Identifying the Sexual Cycle**:
- The sexual cycle occurs in the female Anopheles mosquito. This is where the gametocytes (the sexual forms of the parasite) are taken up when the mosquito feeds on the blood of an infected human.

3. **Fertilization in the Mosquito**:
- Once the female Anopheles mosquito ingests the gametocytes, fertilization occurs in the mosquito's stomach. This process leads to the formation of zygotes, which then develop into sporozoites.

4. **Sporozoites Development**:
- The sporozoites are the infective form of the parasite and are ultimately responsible for transmitting malaria when the mosquito bites another human.

5. **Conclusion**:
- Therefore, the part of the life cycle of the malarial parasite Plasmodium vivax that is passed in the female Anopheles mosquito is the **sexual cycle**.

### Final Answer:
The correct answer is **sexual cycle**.

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