In human females, menstrual cycle ceases around 50 years of age. It is termed as

Options

A. Menarche
B. Diapause
C. Menopause
D. None of the above

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the term used to describe the cessation of the menstrual cycle in human females around the age of 50.

2. **Identifying the Options**: The options given are:
- A) Menarche
- B) Diapause
- C) Menopause
- D) None of the above

3. **Analyzing Each Option**:
- **Menarche**: This term refers to the first occurrence of menstruation, marking the beginning of the menstrual cycle. It is not related to the cessation of menstruation.
- **Diapause**: This term is used in the context of certain animals, particularly insects, to describe a period of suspended development. It does not apply to human females or the menstrual cycle.
- **Menopause**: This term specifically refers to the time in a woman's life when menstrual cycles permanently cease, typically occurring around the age of 50. This is the correct term for the cessation of menstruation.
- **None of the above**: This option implies that none of the terms are correct, which is not the case here.

4. **Conclusion**: Based on the analysis, the correct answer is C) Menopause, as it accurately describes the cessation of the menstrual cycle in human females around the age of 50.

**Final Answer**: C) Menopause

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