This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Reaching The Age Of Adolescence > Class 8 Science Chapter 10 Reaching The Age Of Adolescence – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Chromosomes are present in A) Cells. B) Nucleus of the cells. C) None. D) Everywhere. Show Answer Correct Answer: B) Nucleus of the cells. 2. Which part is also known as 'adam's apple" ? A) Hands. B) Legs. C) Voice. D) Voice box. Show Answer Correct Answer: D) Voice box. 3. Female gamete in human is: A) Ovum. B) Egg cell. C) Both of the above. D) None of the above. Show Answer Correct Answer: C) Both of the above. 4. At what age does a boy reach its height of 84% A) 10. B) 12. C) 11. D) 13. Show Answer Correct Answer: B) 12. 5. Statement 1:Sweat glands, salivary glands and oil glands do not release their secretions directly into the blood. Statement 2:These glands do not have ducts. A) Both the statements are correct. B) Only statement 2 is correct. C) Both the statements are incorrect. D) Only statement 1 is correct. Show Answer Correct Answer: D) Only statement 1 is correct. 6. What is the stoppage of menstruation called? A) Menarche. B) Menopause. C) Gametes. D) Insulin. Show Answer Correct Answer: B) Menopause. 7. Gametogensis is the production of A) Gametes. B) Zygote. C) Cell. D) None of the above. Show Answer Correct Answer: A) Gametes. 8. The human body undergoes several changes during adolescence. These changes mark the onset of A) Ageing. B) Puberty. C) Post adolescence. D) Prematurity. Show Answer Correct Answer: B) Puberty. 9. Which gland is known as master Gland? A) Adrenal Gland. B) Pancreas. C) Pituitariy Gland. D) Hypothalamus. Show Answer Correct Answer: C) Pituitariy Gland. 10. Deficiency of Thyroxine hormone causes A) Scurvy. B) Goitre. C) Beri-beri. D) Rickets. Show Answer Correct Answer: B) Goitre. 11. The Function Of The Vas Deferens A) Transport the sperm to the urethra. B) Stores the sperm and secretes it to the duct in ejaculation. C) Produce testosterone and sperm. D) To keep the temperature of the testes slightly lower than that of the rest of the body. Show Answer Correct Answer: A) Transport the sperm to the urethra. 12. Metamorphosis in insects is controlled by ..... A) Adrenaline. B) Growth harmone. C) Insect Harmone. D) Thyroxine. Show Answer Correct Answer: C) Insect Harmone. 13. Which of the following glands secrete oil? A) Thyroid gland. B) Pituitary gland. C) Sebaceous gland. D) Endocrine gland. Show Answer Correct Answer: C) Sebaceous gland. 14. Hormones are secreted from endocrine gland. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Why is the marriage for boys and girls fixed at 21 and 18 respectively? A) Because they are not physically and mentally mature till that age. B) Just for population control. C) To please the parents. D) So that they concentrate in studies. Show Answer Correct Answer: A) Because they are not physically and mentally mature till that age. 16. A female has ..... chromosomes A) XY. B) Yyx. C) Xyx. D) XX. Show Answer Correct Answer: D) XX. 17. A Zygote is formed as a result of Fertilization. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which hormone is called the emergency hormone? A) Insulin. B) Thyroxine. C) Adrenaline. D) Serotonin. Show Answer Correct Answer: C) Adrenaline. 19. Which combination results to female? A) Xx. B) Yy. C) Xy. D) None of the above. Show Answer Correct Answer: A) Xx. 20. The age at which boys and girls start producing gametes is called A) Adulthood. B) Young age. C) Puberty. D) Maturity. Show Answer Correct Answer: C) Puberty. 21. Girls grow faster than by about ..... years of age A) 25. B) 18. C) 10. D) 15. Show Answer Correct Answer: B) 18. 22. Ductless glands are also known as; A) Exocrine glands. B) Endocrine glands. C) Target sites. D) Pubic glands. Show Answer Correct Answer: B) Endocrine glands. 23. The age at which a boy or girl becomes sexually mature to reproduce is called ..... A) Adulthood. B) Teenager. C) Puberty. D) Adolescence. Show Answer Correct Answer: D) Adolescence. 24. The menstrual cycle happens in women every A) 10 days. B) 28 to 30 days. C) 45 to 50 days. D) None. Show Answer Correct Answer: B) 28 to 30 days. 25. Which of the following hormones controls the menstrual cycle, the ovulation process and the development of the uterus in the females? A) Estrogen. B) Progesterone. C) Testosterone. D) Both (A) and (B). Show Answer Correct Answer: D) Both (A) and (B). 26. Testes are responsible for the production of sperms. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 27. The period of maturity of reproductive organs is called. A) Adolescene period. B) Measurement. C) Gestation period. D) None of these. Show Answer Correct Answer: A) Adolescene period. 28. Humans with age 13 to 19 care classified as A) Children. B) Mad people. C) Teenagers. D) Crazy people. Show Answer Correct Answer: C) Teenagers. 29. Thyroid gland is located below A) Neck. B) Shoulders. C) Larynx. D) None. Show Answer Correct Answer: C) Larynx. 30. For boys, the adolescent growth spurt generally begins between what ages? A) 9 and 12. B) 13 and 16. C) 11 and 14. D) 15 and 18. Show Answer Correct Answer: B) 13 and 16. 31. The features that help to distinguish the male and female are called ..... A) Secondary sexual characters. B) Hormones. C) Pituitary gland. D) None of the above. Show Answer Correct Answer: A) Secondary sexual characters. 32. The reproductive phase in women continues for how many decades? A) Four. B) Three. C) Two. D) One. Show Answer Correct Answer: A) Four. 33. Structures present in a cell which is responsible for determination of the sex of a baby is A) Cell membrane. B) Nucleus. C) Chromosome. D) Cytoplasm. Show Answer Correct Answer: C) Chromosome. 34. The common characteristic feature in males and females during puberty: A) Acne/pimple generation. B) Voice cracking. C) Fat deposition. D) Both acne generation & fat deposition. Show Answer Correct Answer: D) Both acne generation & fat deposition. 35. The change from larva to adult is called A) Metastasis. B) Metabolism. C) Morphology. D) Metamorphosis. Show Answer Correct Answer: D) Metamorphosis. 36. How do peer relationships impact adolescents during this stage? A) Peer relationships have no impact on adolescents. B) Positive peer relationships can provide support and influence behavior. C) Peer relationships only affect academic performance. D) None of the above. Show Answer Correct Answer: B) Positive peer relationships can provide support and influence behavior. 37. The pituitary gland is located ..... A) At the base of the brain. B) Near the reproductive organs. C) At the centre of the brain. D) In the stomach. Show Answer Correct Answer: A) At the base of the brain. 38. The thread like structures that carry information in the form of genes are called A) Hormones. B) Chromosomes. C) Cells. D) None. Show Answer Correct Answer: B) Chromosomes. 39. The chemical substances which are secreted from endocrine glands are called A) Estrogen. B) Puberty. C) Adolescence. D) Hormones. Show Answer Correct Answer: D) Hormones. 40. Ovaries produce female sex hormone called? A) Testosterone. B) Sperm. C) Eggs. D) Progesterone. Show Answer Correct Answer: D) Progesterone. 41. Sex hormones are controlled by which gland? A) Thyroid gland. B) Pituitary gland. C) None. D) Both. Show Answer Correct Answer: B) Pituitary gland. 42. Priya Is Writing Some Statements, Choose The Correct Statement And Help Her: A) In a frog, metamorphosis is brought about by the thyroxine hormone. B) The production of thyroxine hormone requires the presence of iodine in water. C) All the amphibians need thyroxine hormone to undergo metamorphosis and change from larva into adults. D) All the above. Show Answer Correct Answer: D) All the above. 43. Which of the following glands secretes the growth hormone? A) Testis. B) Adrenal. C) Thyroid. D) Pituitary. Show Answer Correct Answer: D) Pituitary. 44. During puberty all body parts grow at a same pace. A) True. B) Partly false. C) False. D) Partly true. Show Answer Correct Answer: C) False. 45. Which organisms reproduce by binary fission where one single cell splits into two identical cells? A) Starfish and flatworm. B) Giraffe and zebra. C) Bacteria and amoeba. D) Spider plant and strawberry plant. Show Answer Correct Answer: C) Bacteria and amoeba. 46. Sex chromosomes of the ..... determines thesex of an unborn baby. A) Mother. B) Father. C) Father and mother. D) Neither father nor mother. Show Answer Correct Answer: B) Father. 47. Name the hormone in females that is produced by ovaries and helps in the development of mammary glands. A) Adrenalin. B) Thyroxine. C) Testosterone. D) Estrogen. Show Answer Correct Answer: D) Estrogen. 48. The information given below refers to which of the following hormone-(i) Glands secreting the hormone are located on top of the kidneys. (ii) Converts glycogen into glucose. (iii) Increases blood pressure. A) Testosterone. B) Progesterone. C) Insulin. D) Adrenaline. Show Answer Correct Answer: D) Adrenaline. 49. What are some common physical changes in boys during adolescence? A) Increased shoe size, decreased appetite, improved eyesight. B) Growth spurts, voice deepening, facial hair growth, muscle development, changes in body shape. C) All the above. D) None of the above. Show Answer Correct Answer: B) Growth spurts, voice deepening, facial hair growth, muscle development, changes in body shape. 50. ' Goiter ' is a disease of: A) Adrenal gland. B) Pancreas. C) Thyroid gland. D) None of these. Show Answer Correct Answer: C) Thyroid gland. 51. What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body? A) Metamorphosis. B) Fertilization. C) Hormones. D) Teenage. Show Answer Correct Answer: C) Hormones. 52. Endocrine glands release harmones directly into the ..... to reach a particular body part called ..... A) Bloodstream, destination. B) Bloodstream, target site. C) Harmones, pituitary gland. D) None of the above. Show Answer Correct Answer: B) Bloodstream, target site. 53. Sperms enter the uterus through which organ? A) Fallopian tube. B) Uterus itself. C) Blood. D) Veins. Show Answer Correct Answer: A) Fallopian tube. 54. These chemicals tell the body to change and grow during puberty. A) Acids. B) Alkalis. C) Hormones. D) Digestive enzymes. Show Answer Correct Answer: C) Hormones. 55. Which of the following controls sugar in blood?? A) Insulin. B) Sex hormone. C) Pancreas. D) Growth hormone. Show Answer Correct Answer: A) Insulin. 56. Development of reproductive organs is a: A) Secondary growth. B) Primary growth. C) Tertiary growth. D) None of the above. Show Answer Correct Answer: A) Secondary growth. 57. Vikash Is Doing His Homework Which Is Given By His Teacher. Would You Help Him To Choose The Incorrect Sentences? A) Adrenals are endocrine glands. B) Adrenal glands are known as emergency hormone. C) The aldosterone hormone secreted by adrenal glands maintain the correct salt balance in the blood. D) None of the above. Show Answer Correct Answer: D) None of the above. 58. Stoppage of menstrual cycle in females is known as A) Pregnancy. B) Menopause. C) Ovulation. D) Menarche. Show Answer Correct Answer: B) Menopause. 59. Which glands release insulin hormone? A) Liver. B) Thyroid. C) Pituitary. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 60. Pancreas is responsible for maintaining A) Blood pressure. B) Blood glucose level. C) Fat metabolism. D) Electrolyte balance. Show Answer Correct Answer: B) Blood glucose level. Next →Related QuizzesScience QuizzesClass 8 QuizzesClass 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 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books