This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The gametes ' sperms' are produced by A) Boys. B) Girls. C) None. D) Both can produce. Show Answer Correct Answer: A) Boys. 2. Which of the following is not a secondary sex characterstic? A) Release of insulin from pancreas. B) Change in body shape. C) Sexual feelings. D) None of these. Show Answer Correct Answer: A) Release of insulin from pancreas. 3. The chemical substances secreted by endocrine glands are called hormones. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Hormones are secretions of ..... glands. A) Endocrine. B) Pitutary. C) Adrenal. D) Sebecious. Show Answer Correct Answer: A) Endocrine. 5. Endocrine Hormone release its secretion in A) Blood. B) Duct. C) Outside blood. D) None of the above. Show Answer Correct Answer: A) Blood. 6. The gametes have only A) One set of chromosomes. B) Two set of chromosomes. C) Three set of chromosomes. D) Four set of chromosomes. Show Answer Correct Answer: A) One set of chromosomes. 7. Which of the following represents the composition of female destined zygote in human beings? A) 22+X. B) 44+XY. C) 33+Y. D) 44+XX. Show Answer Correct Answer: D) 44+XX. 8. When the zygote has one X and one Y chromosome, a male child is developed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. The 5 dimensions of health include A) Physical, emotional, social, practical, intelligence. B) Be aware, keep learning, be active, help others, ways to connect. C) Think, Feel, Say, Do. D) Physical, Social, Emotional, Mental, Spiritual. Show Answer Correct Answer: D) Physical, Social, Emotional, Mental, Spiritual. 10. Which among the following is the change seen in boys during puberty?A. Broader shouldersB. Cracking of voiceC. Breast developmentD. Growth of facial hair A) A, B, C. B) B, C, D. C) A, B, D. D) All of the above. Show Answer Correct Answer: C) A, B, D. 11. Menopause occurs at the age of A) 45 to 50. B) 13 to 19. C) 11 to 16. D) Puberty. Show Answer Correct Answer: A) 45 to 50. 12. This is a stress hormone A) Thyroxine. B) Oestrogen. C) Adrenalin. D) Sperm. Show Answer Correct Answer: C) Adrenalin. 13. Which of these processes in the body is controlled by hormones? A) Blood Circulation. B) Growth. C) Digestion. D) Excretion. Show Answer Correct Answer: B) Growth. 14. The unfertilised egg always has X chromosomes A) One. B) Two. C) Five. D) Three. Show Answer Correct Answer: A) One. 15. What girls should not do during menstural flow? A) Change pads every 4-5 Hours. B) Should not take bath during these days. C) Take proper nutritious diet. D) Involve in light exercise. Show Answer Correct Answer: B) Should not take bath during these days. 16. What usually grows first in a teen? A) Head and shoulders. B) Hands and feet. C) Length of legs. D) Length of arms. Show Answer Correct Answer: B) Hands and feet. 17. An Embryo is made up of single cell A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 18. The sexual characters present in a human being from birth are called? A) Secondary characters. B) Primary characters. C) None. D) Both. Show Answer Correct Answer: B) Primary characters. 19. Which stage is worm-like and eats a lot? A) Nymph. B) Egg. C) Adult. D) Larva. Show Answer Correct Answer: D) Larva. 20. Hormones from pitutary gland stimulates testes and ovaries to release (a) in male and (b) in female A) (a) Testosterone (b) Estrogen. B) (a) Estrogen (b) Testosterone. C) None of the above. D) None of the above. Show Answer Correct Answer: A) (a) Testosterone (b) Estrogen. 21. Which hormone is secreted at the time of emergency A) Adrenaline. B) Thyroxine. C) Insulin. D) Testosterone. Show Answer Correct Answer: A) Adrenaline. 22. What is the stoppage of menstruation called? at which age does this happen? A) Menarche, 45-50. B) Menopause, 45-50. C) Gametes, 35-45. D) Insulin, 40-45. Show Answer Correct Answer: B) Menopause, 45-50. 23. The sex hormones present in females are represented by A) X X. B) X and. C) And x. D) None. Show Answer Correct Answer: A) X X. 24. Which is these gland is called the ductless gland A) Sweat glands. B) Sebaceous glands. C) Salivary glands. D) Endocrine glands. Show Answer Correct Answer: D) Endocrine glands. 25. Which hormone in females is responsible for the maintenance of pregnancy? A) Estrogen. B) Progesterone. C) Oxytocin. D) Thyroxine. Show Answer Correct Answer: B) Progesterone. ← 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 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 10Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books