The first menstrual cycle that occurs in puberty is called menarche. After this monthly series of changes, a woman's body goes through in preparation for the possibility of pregnancy. Menarche is the first month of menstruation, which is a natural physiologic process that happens on a monthly basis. Menarche usually happens about the age of 12, although it is perfectly natural to have it a few years sooner or later. Menarche occurs during puberty, a period of physical and sexual maturation in adolescence.

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Punjab Board-2018>Q 1

EASY

12th Punjab Board

IMPORTANT

Earn 100

What is Menarche?

Important Questions on Human Reproduction

MEDIUM

12th Punjab Board

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 3 - Human Reproduction>Punjab Board-2018>Q 2

What is fertilization ? In which part of Human female reproductive system does it occurs? Explain diagrammatically various physical and chemical events of fertilization in humans.