Chapter 6 · CBSE Class 7 Biology (NCERT Curiosity)

Adolescence: A Stage of Growth and Change

Understand puberty, the physical and emotional changes of adolescence, and the importance of healthy habits during this stage.

🌱 Chapter 6

6.1

Physical Changes During Puberty

Puberty is triggered by hormonal changes and brings physical changes like growth spurts and the development of secondary sexual characteristics.

1

What triggers the physical changes of puberty?

Hormonal changes in the body

2

Name one physical change that commonly happens during puberty.

A growth spurt, or voice change (in boys)

6.2

Healthy Habits During Adolescence

Good nutrition, regular exercise, and enough sleep are especially important during adolescence to support rapid growth and development.

1

Why is good nutrition especially important during adolescence?

The body is growing rapidly and needs extra nutrients to support this development

2

Why is sleep important during the teenage years?

Sleep supports physical growth, brain development, and emotional wellbeing during this period of rapid change

Practice

Exercises

1. What triggers the changes of puberty?

2. Name one physical change during puberty.

3. Why is good nutrition important during adolescence?

4. Why is exercise beneficial during adolescence?

5. Is it normal to experience emotional changes during adolescence?

Next chapter — Life Processes ⚡ →