Define menarche.

Important Questions on Reaching the Age of Adolescence

EASY

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 67

Define menopause.

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 68

What is menstruation? Explain.

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 69

What are sex chromosomes? Name the two types of sex chromosomes.

HARD

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 70

Explain how sex is determined in the unborn baby.

HARD

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 71

What are the various ways in which AIDS virus (HIV) can be transmitted?

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 72

Explain how, the use of drugs helps in spreading AIDS disease.

MEDIUM

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 73

State the harmful effects of taking drugs.

EASY

8th CBSE

IMPORTANT

Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Short Answer Type Questions>Q 74

Name one hormone secreted by the pituitary gland. State the function of this hormone.