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Important Questions Chapter 6 Class 7 Science Curiosity NCERT

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Adolescence: A Stage of Growth and Change


Short Questions

1. What is adolescence?

Answer:Adolescence is the stage between childhood and adulthood, usually from 10 to 19 years.

2.What are secondary sexual characteristics?

Answer: They are physical changes that distinguish males from females but are not directly involved in reproduction.

3.What is puberty?

Answer: Puberty is when the body changes to become capable of reproduction.

4.What is menstruation?

Answer: Menstruation is the monthly discharge of blood in adolescent girls.

5.Why do pimples appear during adolescence?

Answer: Pimples appear due to increased oily secretions that clog skin pores.

6. What is the Adam’s apple?

Answer: It’s a bump in the throat caused by the growth of the voice box in boys.

7. What are hormones?

Answer: Hormones are chemicals in the body that control growth and development.

8. Why is personal hygiene important during adolescence?

Answer: It prevents infections and promotes health, especially during menstruation.

9. What is cyberbullying?

Answer: Cyberbullying is using digital devices to harass or harm others.

10. Why should adolescents avoid harmful substances?

Answer: Harmful substances like tobacco and drugs can damage health and cause addiction.


Long Questions

1. What changes happen in the body during adolescence?

Answer: The body grows taller, gains weight, and develops secondary sexual characteristics like facial hair in boys and breast development in girls. Internal changes, like the start of menstruation in girls, also prepare the body for reproduction.

2. How can adolescents maintain a healthy lifestyle?

Answer: Adolescents should eat a balanced diet, exercise regularly, and maintain personal hygiene. They should also avoid harmful substances and practice responsible social media use.

3.What is the importance of menstrual hygiene for girls?

Answer: Menstrual hygiene prevents infections and ensures comfort during periods. Using sanitary pads and disposing of them properly promotes health and cleanliness.

4. How do emotional changes affect adolescents’ behavior?

Answer: Emotional changes like mood swings can lead to varied behaviors, such as being energetic or withdrawn. Engaging in activities like sports or music helps channel emotions positively.

5. Why is it important to say ‘NO’ to addictive substances?

Answer: Addictive substances like alcohol and drugs harm physical and mental health. Saying ‘NO’ prevents addiction and supports a healthy future.

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