This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which hormone generates 'fight and flight' response? A) Cortisol. B) Adrenaline. C) Testosterone. D) Estrogen. Show Answer Correct Answer: B) Adrenaline. 2. Adrenaline hormones is produced by: A) Pituitary gland. B) Thyroid gland. C) Adrenal gland. D) Pancreas. Show Answer Correct Answer: C) Adrenal gland. 3. There are 23 sex chromosomes present in the nuclei of human being. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Adolescence covers the period of A) Puberty. B) Teens. C) Adulthood. D) Both (a) and (b). Show Answer Correct Answer: B) Teens. 5. Incomplete development of male secondary sexual characteristics is caused due to deficiency in? A) Estrogen. B) Progesterone. C) Adrenaline. D) Testosterone. Show Answer Correct Answer: D) Testosterone. 6. Dwarfism or Gigantism is due to less or excess secretion of which hormone? A) Insulin. B) Adrenaline. C) Growth hormone. D) Thyroxine. Show Answer Correct Answer: C) Growth hormone. 7. The secretion of which hormone controls our Blood pressure, heartbeat and controls emotions? A) Aldosterone. B) Adrenaline. C) Insulin. D) None. Show Answer Correct Answer: B) Adrenaline. 8. If the egg is not fertilized by sperm it results in what? A) Pregnancy. B) Abortion. C) Menstruation. D) All. Show Answer Correct Answer: C) Menstruation. 9. What marks the onset/beginning of Puberty? A) Growing of beard. B) Growing of breast. C) Both of above. D) Development of sex organs. Show Answer Correct Answer: D) Development of sex organs. 10. In women the reproductive age lasts till what age? A) Lifetime. B) 10 to 12. C) 45 to 50. D) None. Show Answer Correct Answer: C) 45 to 50. 11. The period of life between 11 years & 19 years, when bodily changes occurs is: A) Childhood years. B) Adult. C) Adplescence. D) All of the above. Show Answer Correct Answer: C) Adplescence. 12. Why are endocrine glands also called ductless glands A) Because they release their hormones in bloodstreams through ducts. B) Because they release their hormones in bloodstreams without ducts. C) Because they release their hormones outside the body through ducts. D) None of the above. Show Answer Correct Answer: B) Because they release their hormones in bloodstreams without ducts. 13. What is the legal age for marrige in boys? A) 16. B) 23. C) 21. D) 18. Show Answer Correct Answer: C) 21. 14. During menstrual bleeding, the fluid that comes out of the vagina contains ..... along with blood. A) Embryo. B) Ovum. C) Sperm. D) Zygote. Show Answer Correct Answer: B) Ovum. 15. '' L.H" is secreted by the pituitary gland which is also known as? A) Left hand side. B) Luteinizing hormone. C) Both. D) None. Show Answer Correct Answer: B) Luteinizing hormone. 16. The Latin word from which the word adolescence is derived is A) Teennce. B) To grow. C) Teens. D) Adolescent. Show Answer Correct Answer: B) To grow. 17. Features that distinguish the male from female are called A) Primary Sexual characters. B) Secondary Sexual characters. C) Tertiary Sexual characters. D) None of the above. Show Answer Correct Answer: B) Secondary Sexual characters. 18. During adolescence stage body undergoes changes leading to which maturity? A) Good understanding of life. B) Reproductive maturity. C) Both of above. D) None of above. Show Answer Correct Answer: B) Reproductive maturity. 19. ..... glands are small endocrine glandsin the neck of humans A) Parathyroid. B) Thyroid. C) Adrenal. D) Pancreas. Show Answer Correct Answer: A) Parathyroid. 20. Which among the boys and girls puberty starts earlier? A) Both together. B) Boys. C) Girls. D) Anyone. Show Answer Correct Answer: C) Girls. 21. Acne and pimples on the face are due to secretions of A) Bile from liver. B) Enzymes in the digestive tract. C) Tears from tear glands. D) Sebaceous glands during puberty. Show Answer Correct Answer: D) Sebaceous glands during puberty. 22. The transformation of the larva into an adult through a drastic change is called? A) Life. B) Metamorphosis. C) Insect life. D) None. Show Answer Correct Answer: B) Metamorphosis. 23. What physical changes typically occur during adolescence? A) Decrease in height, loss of muscle mass, decrease in appetite. B) Growth spurts, development of secondary sexual characteristics, voice deepening, changes in body shape. C) All the above. D) None of the above. Show Answer Correct Answer: B) Growth spurts, development of secondary sexual characteristics, voice deepening, changes in body shape. 24. Thyroxine is produced by A) Pituitary gland. B) Adrenal gland. C) Thyroid gland. D) Testes. Show Answer Correct Answer: C) Thyroid gland. 25. When the sperm contribute a Y-chromosome and the egg (ovum) contribute X chromosome, then the zygote would develop into a: A) Female child. B) Male child. C) Either female or male child. D) None of these. Show Answer Correct Answer: B) Male child. ← 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