Reaching the Age of Adolescence
15 solved questions from Class 8 Science, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the fundamental scientific concept introduced in the chapter 'Reaching the Age of Adolescence'? medium MCQ Key Concept & Definition
- 2 Which of the following is an important application or observation related to 'Reaching the Age of Adolescence'? easy MCQ Practical Application
- 3 What primary question does the chapter 'Reaching the Age of Adolescence' aim to answer? medium MCQ Core Scientific Inquiry
- 4 Why is the study of 'Reaching the Age of Adolescence' essential for students in class-8? hard MCQ Importance & Significance
- 5 Which key practice is recommended while studying topics in 'Reaching the Age of Adolescence'? medium MCQ Scientific Method
- 6 What is the primary topic or theoretical principle explored in 'Reaching the Age of Adolescence' (Class 8 SCIENCE)? medium MCQ Chapter Core Principle
- 7 Which key mechanism or analytical rule is highlighted in 'Reaching the Age of Adolescence'? medium MCQ Key Analytical Mechanism
- 8 During puberty in boys, which hormone is primarily responsible for the growth spurt? medium MCQ 3 marks Hormonal Influence on Growth
- 9 A 12‑year‑old girl gains 4 cm in height in 3 months during puberty. Assuming a constant growth rate, estimate her total height gain after 2 years from this age. hard 4 marks Growth Rate Calculation
- 10 A 13‑year‑old boy grows 3 cm in 2 months during puberty. Assuming a constant growth rate, how many centimeters will he grow in 6 months? easy 2 marks Growth rate during puberty
- 11 According to NCERT, Indian boys normally start puberty between which age ranges? hard MCQ 2 marks Age of puberty onset in boys
- 12 A 9‑year‑old girl’s height increases by 5 cm in 4 months during early puberty. If she maintains this average rate, how many months will it take her to gain an additional 15 cm? hard 5 marks Projection of growth during puberty
- 13 Which hormone is chiefly responsible for the deepening of voice in adolescent boys? easy MCQ 1 mark Puberty hormones
- 14 Explain how the onset of puberty is related to nutritional status in adolescents. Include the role of leptin and discuss the impact of malnutrition on the timing of puberty. hard 5 marks Nutrition and puberty
- 15 Which hormone is primarily responsible for the deepening of voice in adolescent boys? medium MCQ 3 marks Hormonal influence on puberty