Question

Onset of menstrual cycle at the time of puberty is called ______
a) menopause
b) menarche
c) menstruation
d) metamerism

Answer 1

heya!!

here is your answer ⤵️⤵️

Menarche is the answer.

It is the starting phase of Menstrual cycle.

hope my answer helps you ✌

Answer 2

Answer:

b) menarche

Explanation:

The menstrual cycle is also known as the reproductive cycle that occurs in primates such as apes, monkeys, and humans. The first menstrual cycle begins at the puberty which is called menarche. Menstrual cycle in females is repeated at an average of the interval of 28 days. There are three events found in these 28 days, these events are; menstrual phase, follicular phase, and luteal phase.