This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The number of chromosomes are present in human cell. A) 46. B) 44. C) 26. D) 23. Show Answer Correct Answer: A) 46. 2. Which Hormone is Responsible for Production of Milk? A) Oxytocin. B) Insulin. C) Thyroid. D) None of the above. Show Answer Correct Answer: A) Oxytocin. 3. Out of these which one determines the sex of the baby? A) Hormones. B) Chloroplast. C) Chromosomes. D) Pituitary gland. Show Answer Correct Answer: C) Chromosomes. 4. This helps distinguish male from female A) Changes during puberty. B) Insulin. C) Voice change. D) Secondary sexual characteritics. Show Answer Correct Answer: D) Secondary sexual characteritics. 5. Which of the following will occur in females at puberty? (I) Ovulation (II) Enlargement of breasts (III) Broadening of hips A) I and II only. B) . I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 6. Which statement does NOT describe asexual reproduction? A) Takes a short amount of time. B) Provides genetic variation-all offspring are different. C) No mate required in order to reproduce. D) Provides no genetic variation-all offspring are the same. Show Answer Correct Answer: B) Provides genetic variation-all offspring are different. 7. The menstrual cycle stops in a women at about 50 years old. The woman is said to have reached A) Puberty. B) Menopause. C) Menarche. D) Adolescence. Show Answer Correct Answer: B) Menopause. 8. Adam's apple is A) Enlarged larynx. B) Mammary glands. C) Apple of adam. D) Red apple. Show Answer Correct Answer: A) Enlarged larynx. 9. Deficiency of iodine in our diet leads to a condition called: A) Diabetes insipidus. B) Goitre. C) Gigitism. D) Infertility. Show Answer Correct Answer: B) Goitre. 10. The cell formed after fertilization is called A) Foetus. B) Zygote. C) Embryo. D) None of these. Show Answer Correct Answer: B) Zygote. 11. Testosterone is a: A) Female sex hormone. B) Male sex hormone. C) All the above. D) None of the above. Show Answer Correct Answer: B) Male sex hormone. 12. During puberty, girls have ..... voice as compared to boys. A) Low-pitched. B) Very low-pitched. C) High-pitched. D) Very high-pitched. Show Answer Correct Answer: C) High-pitched. 13. The stoppage of menstrual flow at age between 45 to 50 years in females is known as A) Menarche. B) Menopause. C) Both. D) None. Show Answer Correct Answer: B) Menopause. 14. If the sperm containing Y chromosome fertilizes the egg, the sex of the baby would be A) Girl. B) Boy. C) Undetermined. D) None of the above. Show Answer Correct Answer: B) Boy. 15. Initially girls grow ..... than boys. A) Faster. B) Slower. C) All the above. D) None of the above. Show Answer Correct Answer: A) Faster. 16. Infancy is the age of human being from A) 2 to 11 years. B) Birth to 2 years. C) 11 to 19 years. D) Lifetime. Show Answer Correct Answer: B) Birth to 2 years. 17. Ratan is a teenager, he has pimples all over his face. This could be due to: A) Negligence. B) Improper hygiene. C) Secretion of oil by sebaceous glands. D) None of above. Show Answer Correct Answer: C) Secretion of oil by sebaceous glands. 18. Mail hormone ..... ..... 2.Female Hormone ..... A) 1. testosterone2. estrogen. B) 1. estrogen2. testosterone. C) 1. testosterone2. pituitary gland. D) 1. exocrine gland2. testosterone. Show Answer Correct Answer: A) 1. testosterone2. estrogen. 19. Goitre ' is a disease of: A) Adrenal gland. B) Pancreas. C) Thyroid gland. D) None of these. Show Answer Correct Answer: C) Thyroid gland. 20. A person suffers from 'goitre' if his/her ..... was not producing harmones. A) Pancreas. B) Thyroid gland. C) Adrenal gland. D) None of the above. Show Answer Correct Answer: B) Thyroid gland. 21. Pituitary gland secrete which hormone? A) Thyroxine. B) Adrenaline. C) Growth hormone. D) None. Show Answer Correct Answer: C) Growth hormone. 22. The sexual characters which are controlled by:Hormones anddistinguish between male and femaleButNot involved in reproduction are called? A) Primary sexual characters. B) Secondary Sexual characters. C) Both of above. D) None of above. Show Answer Correct Answer: B) Secondary Sexual characters. 23. In which of the following AIDS could not be spread? A) Hugging an infected person. B) Sexual contact. C) Breast feeding. D) Blood transfusion. Show Answer Correct Answer: A) Hugging an infected person. 24. If there is one X and one Y chromosome, the gender of the baby is ..... A) Female. B) Male. C) Both male and female. D) None of the above. Show Answer Correct Answer: B) Male. 25. The first occurrence of monthly period at puberty is called: A) Menopause. B) Menarche. C) Menstruation. D) None of the above. Show Answer Correct Answer: B) Menarche. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books