Life Begins — Chapter Summary
NIOS · Class 10 · Home Science
Summary of Life Begins for NIOS Class 10 Home Science. Key concepts: Fertilisation is the union, After attachment and The first indication.
Interactive on Super Tutor
Studying Life Begins? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.
Free trial, no card needed.
Overview
Pregnancy begins with fertilisation, when sperm and ovum unite to form a zygote. The zygote attaches to the uterus, develops into an embryo, then into a foetus, and after birth it is called a baby. The chapter explains the signs of pregnancy, the three trimesters of development, prenatal care, safe
Key Concepts
Fertilisation is the union of sperm
Fertilisation is the union of sperm and ovum. The fertilised ovum is called a zygote. The zygote attaches to the uterus and begins development by draw
After attachment to the uterine wall
After attachment to the uterine wall, the developing ball of cells is called an embryo. When it attains human form, it is called a foetus. After birth
The first indication of pregnancy
The first indication of pregnancy is a missed menstrual period. Other changes include morning sickness, breast enlargement and tenderness, darkening o
Pregnancy lasts about 280 days
Pregnancy lasts about 280 days or nine months. This period is divided into three trimesters: 0-3 months, 3-6 months, and 6-9 months.
The fertilised egg divides
The fertilised egg divides, becomes an embryo after attaching to the uterus, and by the end of three months vital organs like the heart and lungs form
Learning Objectives
- Recognize the signs of pregnancy and the changes in a woman's body
- Explain the development of the foetus through the three trimesters
- Understand the importance of prenatal care for mother and child
- Identify safe delivery practices and the role of trained health workers
- Describe postnatal care of the newborn and mother
Frequently Asked Questions
What are the important topics in Life Begins for NIOS Class 10 Home Science?
How should I revise Life Begins for the NIOS Class 10 board exam?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Life Begins
For serious students
Get the full Life Begins chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for NIOS Class 10 Home Science. Free to start, no card needed.