Ovulation is :-

Options

A. Releasing of secondary oocyte from ovary
B. Releasing of primary oocyte from ovary
C. Releasing of polar body
D. Releasing of graafian follicle

Answer

**Step-by-Step Solution:**

1. **Understanding Ovulation**: The term "ovulation" refers to a specific event in the female reproductive cycle. It is crucial to understand what is being released during this process.

2. **Identifying the Correct Option**: The options provided are:
- A) Releasing of secondary oocytes from ovary
- B) Releasing of primary oocytes from ovary
- C) Releasing of polar body
- D) Releasing of Graafian follicle

3. **Analyzing Each Option**:
- **Option A**: "Releasing of secondary oocytes from ovary" - This is the correct definition of ovulation. During ovulation, a mature ovarian follicle ruptures and releases a secondary oocyte.
- **Option B**: "Releasing of primary oocytes from ovary" - This is incorrect because primary oocytes are released during the early stages of development and are arrested until puberty.
- **Option C**: "Releasing of polar body" - This is also incorrect. Polar bodies are produced during oocyte maturation but are not what is released during ovulation.
- **Option D**: "Releasing of Graafian follicle" - This option is misleading. While the Graafian follicle does rupture to release the secondary oocyte, the term "releasing of Graafian follicle" does not accurately describe ovulation.

4. **Conclusion**: Based on the analysis, the correct answer is **A) Releasing of secondary oocytes from ovary**. This accurately describes the process of ovulation.