This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which hormone is responsible for the secondary sexual characters in girls? A) Estrogen. B) Testosterone. C) Thyroxine. D) Adrenaline. Show Answer Correct Answer: A) Estrogen. 2. Hormone that helps to convert tadpold to frog A) Testosterone. B) Oestrogen. C) Adrenaline. D) Thyroxine. Show Answer Correct Answer: D) Thyroxine. 3. What is the normal duration of menstrual cycle? A) 20 to 21 days. B) 23 to 25 days. C) 26 to 28 days. D) 28 to 30 days. Show Answer Correct Answer: D) 28 to 30 days. 4. Adrenalin hormone is produced by the: A) Pituitary gland. B) Thyroid gland. C) Adrenal gland. D) Pancreas. Show Answer Correct Answer: C) Adrenal gland. 5. Why is nutrition important for adolescents going through physical changes? A) Nutrition has no impact on physical changes. B) Proper nutrition supports growth, development, and overall health. C) All the above. D) None of the above. Show Answer Correct Answer: B) Proper nutrition supports growth, development, and overall health. 6. The first menstrual flow begins at Puberty is termed ..... A) Menopause. B) Menarche. C) Adolescence. D) Reproduction. Show Answer Correct Answer: B) Menarche. 7. Which of the following will occur in females at puberty? A) Ovulation. B) Enlargement of breasts. C) Broadening of hips. D) All of these. Show Answer Correct Answer: D) All of these. 8. For the metamorphosis of tadpoles which of the following elements must be available in water? A) Chlorine. B) Carbon. C) Sulphur. D) Iodine. Show Answer Correct Answer: D) Iodine. 9. Metamorphosis of insects is controlled by: A) Growth hormone. B) Insect hormone. C) Adrenaline. D) Estrogen. Show Answer Correct Answer: B) Insect hormone. 10. Gland responsible to stimulates the growth of long bones. A) Pituitary. B) Thyroid. C) Pancreas. D) Adrenal. Show Answer Correct Answer: A) Pituitary. 11. The female hormone is called A) Estrogen. B) Testosterone. C) Adrenaline. D) None of these. Show Answer Correct Answer: A) Estrogen. 12. Pancreas secrete insulin to avoid A) Panic. B) Diabetes. C) Thyroid. D) High blood pressure. Show Answer Correct Answer: B) Diabetes. 13. Children between the ages of ..... and ..... are called adolescents. A) 12 and 18. B) 11 and 18. C) 12 and 19. D) 11 and 19. Show Answer Correct Answer: D) 11 and 19. 14. Excess secretion of aldosterone hormone causes? A) Emotional imbalance. B) Diabetes. C) Goitre. D) Addison's disease. Show Answer Correct Answer: D) Addison's disease. 15. At the age of 13 girls reach the height of A) 88%. B) 95%. C) 90%. D) 98%. Show Answer Correct Answer: B) 95%. 16. Puberty age in females is A) 10-12. B) 12-14. C) 8-10. D) More than 14 years. Show Answer Correct Answer: A) 10-12. 17. Name the harmonal effect that causes the growth of a tadepole to and adult frog A) Iodine. B) Thyroxine. C) Metamorphosis. D) Insect hormone. Show Answer Correct Answer: C) Metamorphosis. 18. Reproductive age in women starts when their: A) Menstruation starts. B) Breasts start developing. C) Body weight increases. D) Height Increases. Show Answer Correct Answer: A) Menstruation starts. 19. Deficiency of which hormone cause diabetes? A) Testosterone. B) Insulin. C) Estrogen. D) Thyroxine. Show Answer Correct Answer: B) Insulin. 20. The faulty functioning of an endocrine gland can make a person very short or very tall.The gland is A) Thyroid. B) Adrenal. C) Pituitary. D) Pancreas. Show Answer Correct Answer: C) Pituitary. 21. How does puberty differ between boys and girls? A) Girls grow pubic hair during puberty; boys don't. B) Girls grow taller during puberty; boys don't. C) Girls begin puberty slightly later than boys. D) Boys begin puberty slightly later than girls. Show Answer Correct Answer: D) Boys begin puberty slightly later than girls. 22. Which glands produce oil or Sebum? A) Thyroid glands. B) Pituitary glands. C) Sebum glands. D) Sweat glands. Show Answer Correct Answer: C) Sebum glands. 23. The change from larvae to adult is called A) Metabolism. B) Metamorphosis. C) Metastasis. D) Morphology. Show Answer Correct Answer: B) Metamorphosis. 24. Growth harmone is secreted by ..... gland. A) Pancreas. B) Endocrine. C) Pituitary. D) Exocrine. Show Answer Correct Answer: C) Pituitary. 25. The end of reproductive phase in women called as A) Menarche. B) Adults. C) Menopause. D) Old age. Show Answer Correct Answer: C) Menopause. ← PreviousNext →Related QuizzesClass 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 1Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 2Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 3Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 4Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 5Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 6Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 7Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 8Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 9Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books