This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following hormones initiates metamorphosis in insects? A) Thyroxine. B) Insulin. C) Insect hormone. D) Adrenaline. Show Answer Correct Answer: C) Insect hormone. 2. Which of the following is not a physical change which occurs during adolescence A) Getting taller. B) Growing hair. C) Produce more sweat. D) Memory function. Show Answer Correct Answer: D) Memory function. 3. The XY chromosome is found in ..... A) Male. B) Female. C) Both. D) None. Show Answer Correct Answer: A) Male. 4. Endocrine glands differ from exocrine glands in that: A) Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts. B) Endocrine glands release hormones, whereas exocrine glands release waste. C) Endocrine glands are formed by epithelial tissue, but exocrine glands are primarily connective tissue. D) Endocrine glands are all interconnected; whereas exocrine glands act completely independently. Show Answer Correct Answer: A) Endocrine glands are ductless and exocrine glands release secretions at the body's surface or into ducts. 5. Adolescence period cover 30-35 years of age. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Which hormone is responsible for growth of a person A) Growth hormone. B) Thyroxine. C) Adrenaline. D) Gonadotropin. Show Answer Correct Answer: A) Growth hormone. 7. The first menstrual flow which begins at puberty in women is called? A) Adolescence. B) Hormonal imbalance. C) Menarche. D) Menopause. Show Answer Correct Answer: C) Menarche. 8. The right meal for adolescents consists of: A) Chips, Noodles and Coke. B) Chapati, Dal and Vegetables. C) Rice, Noodles and Burger. D) Vegetables Cutlets, Chips and Lemon Drink. Show Answer Correct Answer: B) Chapati, Dal and Vegetables. 9. In sexual reproduction, how much DNA is given by each parent? A) 10%. B) 30%. C) 100%. D) 50%. Show Answer Correct Answer: D) 50%. 10. Which of these is true of the endocrine system? A) Secretes hormones that are transported to target cells by blood. B) Causes changes in metabolic activities. C) Effects are prolonged. D) All of the above is true. Show Answer Correct Answer: D) All of the above is true. 11. Which of the following does not take place during the final stage of the menstrual cycle? A) Further thickening of the uterine lining. B) Repair and growth of the uterine lining. C) Ovulation. D) Both (B) and (C). Show Answer Correct Answer: C) Ovulation. 12. Both boys and girls reach their maximum height at the age of about ..... A) 14 years. B) 16 years. C) 15 years. D) 18 years. Show Answer Correct Answer: D) 18 years. 13. Which gland is termed as master gland A) Pituitary gland. B) Thyroid gland. C) Adrenal gland. D) Testis. Show Answer Correct Answer: A) Pituitary gland. 14. What role do hormones play in the development of secondary sexual characteristics? A) Secondary sexual characteristics develop randomly. B) Hormones regulate the development of secondary sexual characteristics. C) Hormones have no impact on secondary sexual characteristics. D) Secondary sexual characteristics are solely determined by genetics. Show Answer Correct Answer: B) Hormones regulate the development of secondary sexual characteristics. 15. One of the most important features of living things is A) Grow and reproduce. B) Run and walk. C) Breathe. D) All of above. Show Answer Correct Answer: A) Grow and reproduce. 16. Height depends on the ..... inherited from the parents. A) Chromosomes. B) Genes. C) Tissue. D) Cells. Show Answer Correct Answer: B) Genes. 17. The hormones released from this gland stimulate other glands to release their hormones. A) Thyroid. B) Pituitary. C) Adrenal. D) Thymus. Show Answer Correct Answer: B) Pituitary. 18. Adolescence is a stage of life which lasts for how many years A) 1 year. B) 10 years. C) 5 years. D) 15 years. Show Answer Correct Answer: C) 5 years. 19. The sex hormones are under the control of hormones from ..... A) Brain. B) Pituitary Gland. C) Gall Bladder. D) Salivary Gland. Show Answer Correct Answer: B) Pituitary Gland. 20. Between the ages of 11 and 14 girls generally grow how many inches? A) 2. B) 3. C) 5. D) 7. Show Answer Correct Answer: B) 3. 21. The hormone which is associated with male puberty is called A) Testosterone. B) Oestrogen. C) Adrenaline. D) Progesterone. Show Answer Correct Answer: A) Testosterone. 22. When does 'puberty' end? A) When adolescent reaches reproductive maturity. B) When adolescent reaches good understanding of life values. C) It never ends. D) It continues lifetime. Show Answer Correct Answer: A) When adolescent reaches reproductive maturity. 23. The stage of growth and maturity fr about 11 years to 18 years of age is called ..... A) Infancy. B) Childhood. C) Adolescence. D) Adulthood. Show Answer Correct Answer: C) Adolescence. 24. Menarche is the ..... A) End of reproductive phase in a female. B) Beginning of reproductive phase in a female. C) None of the above. D) None of the above. Show Answer Correct Answer: B) Beginning of reproductive phase in a female. 25. Fill in the blanksiron is a ..... which is necessary for ..... in the body. the iron-rich food such as leafy vegetables ..... and ..... are good for ..... as they help in making blood. A) Adolescents, x, x, x, x. B) Making blood, adolescents, meat, making blood. C) Meat and jaggery, mineral, adolescents, making blood. D) Mineral, making blood, meat and jaggery, adolescents. Show Answer Correct Answer: D) Mineral, making blood, meat and jaggery, adolescents. ← 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 10Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books