Question

The first menstrual flow is called as
A. Menstruation
B. Mensuration
C. Menarche
D. Menopause

Answer 1

Hint: The inner, thick and soft lining of the uterus is removed or broken with its blood vessels in the form of bleeding then the term is referred to as menstrual flow or menstruation.
Menstruation occurs if an ovum released by the ovary of women does not get fertilized due to the non-availability of sperm at the time of ovulation. This process occurs again and again after a fixed period of 28 days to 30 days, so it is called a menstrual cycle.

Complete answer:
Because ovulation occurs every 28 days the menstruation occurs every 28 days. In everyday language, menstruation is called periods.
Menstruation – The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that make pregnancy possible. The sexual cycle in females is referred to as menstruation or menstrual flow. This is controlled by hormones. The cycle stops temporarily when the egg gets fertilized and the women get pregnant because a lot of blood is needed for the growth and development of the fertilized ovum to form a baby. Then the process restarts after the birth of a baby.
Menarche – The first menstrual flow is called menarche. It is the beginning of the reproductive cycle of a girl.
Menopause – It is the permanent stoppage of the menstrual cycle stage. It occurs at the age of 45 to 50 years. A woman can stop ovulating at menopause and can no longer become pregnant.

So, the correct answer is option (C) Menarche.

Note-
Menarche is the time from which a girl becomes capable of having a baby. Menstruation stops permanently at the age of 45 to 50 years and loses her ability to bear children and becomes infertile.
Menopause is the end of the reproductive life of a woman.