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 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 10 Reaching The Age Of Adolescence Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Mother is responsible for the sex determination of the baby A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 2. Hormones are secreted by which glands? A) All. B) Endocrine glands. C) Thyroid gland. D) None of above. Show Answer Correct Answer: B) Endocrine glands. 3. Which of the following is/are true of secondary sexual characteristics of boys? A) Growth of facial hair. B) Development of bones and muscles. C) Production of sperms. D) All of these. Show Answer Correct Answer: D) All of these. 4. Which of the following transports hormones from the place of origin to the place of target? A) Ducts. B) Blood. C) Nerves. D) All of these. Show Answer Correct Answer: B) Blood. 5. Which of the following is not a primary sexual characteristic in female A) Fallopian tube. B) Ovaries. C) Seminal vesicle. D) Vagina. Show Answer Correct Answer: C) Seminal vesicle. 6. Laurinks this called (what is called Larinks?) A) Voice box. B) Musical box. C) Mouth box. D) Music box. E) Respiratory organ. Show Answer Correct Answer: A) Voice box. 7. Choose the chemical substances which co-ordinate the activities of living organisms, their growth and also controls the changes that occur at adolescence. A) Hormones. B) Estrogen. C) Testosterone. D) Endocrine gland. Show Answer Correct Answer: A) Hormones. 8. Which among the following is the correct location of Adrenal Glands in the Human Body? A) Above kidneys. B) Below kidneys. C) Above Medulla Oblongata. D) Near Pancreas. Show Answer Correct Answer: A) Above kidneys. 9. The Testes and ovaries secrete ..... A) Ova. B) Enzyme. C) Sperm. D) Sex Hormone. Show Answer Correct Answer: D) Sex Hormone. 10. There are ..... pairs of chromosome in human cell. A) 46. B) 44. C) 23. D) 22. Show Answer Correct Answer: C) 23. 11. Menstruation occurs once in about A) 28 to 30 days. B) 25 to 30 days. C) 45 to 50 days. D) None of these. Show Answer Correct Answer: A) 28 to 30 days. 12. During menstrual bleeding, the fluid that comes out contains the ..... along with blood. A) Ovum. B) Zygote. C) Embryo. D) Sperm. Show Answer Correct Answer: A) Ovum. 13. Which of the following hormones initiates metamorphosis in insects? A) Thyroxine. B) Insect hormone. C) Insulin. D) Adrenaline. Show Answer Correct Answer: B) Insect hormone. 14. 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. 15. The XY chromosome is found in ..... A) Male. B) Female. C) Both. D) None. Show Answer Correct Answer: A) Male. 16. 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. 17. 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. 18. Which hormone is responsible for growth of a person A) Adrenaline. B) Gonadotropin. C) Thyroxine. D) Growth hormone. Show Answer Correct Answer: D) Growth hormone. 19. The first menstrual flow which begins at puberty in women is called? A) Menarche. B) Menopause. C) Adolescence. D) Hormonal imbalance. Show Answer Correct Answer: A) Menarche. 20. In sexual reproduction, how much DNA is given by each parent? A) 10%. B) 50%. C) 30%. D) 100%. Show Answer Correct Answer: B) 50%. 21. 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. 22. 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. 23. Both boys and girls reach their maximum height at the age of about ..... A) 18 years. B) 14 years. C) 16 years. D) 15 years. Show Answer Correct Answer: A) 18 years. 24. 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. 25. 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. 26. 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. 27. Height depends on the ..... inherited from the parents. A) Cells. B) Tissue. C) Genes. D) Chromosomes. Show Answer Correct Answer: C) Genes. 28. The hormones released from this gland stimulate other glands to release their hormones. A) Adrenal. B) Thymus. C) Thyroid. D) Pituitary. Show Answer Correct Answer: D) Pituitary. 29. Adolescence is a stage of life which lasts for how many years A) 15 years. B) 5 years. C) 10 years. D) 1 year. Show Answer Correct Answer: B) 5 years. 30. 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. 31. Between the ages of 11 and 14 girls generally grow how many inches? A) 5. B) 7. C) 3. D) 2. Show Answer Correct Answer: C) 3. 32. The hormone which is associated with male puberty is called A) Adrenaline. B) Testosterone. C) Progesterone. D) Oestrogen. Show Answer Correct Answer: B) Testosterone. 33. 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. 34. 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. 35. 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. 36. 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. 37. The number of chromosomes are present in human cell. A) 26. B) 46. C) 44. D) 23. Show Answer Correct Answer: B) 46. 38. 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. 39. 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. 40. This helps distinguish male from female A) Secondary sexual characteritics. B) Insulin. C) Changes during puberty. D) Voice change. Show Answer Correct Answer: A) Secondary sexual characteritics. 41. 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. 42. 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. 43. The menstrual cycle stops in a women at about 50 years old. The woman is said to have reached A) Adolescence. B) Puberty. C) Menarche. D) Menopause. Show Answer Correct Answer: D) Menopause. 44. Deficiency of iodine in our diet leads to a condition called: A) Gigitism. B) Infertility. C) Diabetes insipidus. D) Goitre. Show Answer Correct Answer: D) Goitre. 45. The cell formed after fertilization is called A) Foetus. B) Zygote. C) Embryo. D) None of these. Show Answer Correct Answer: B) Zygote. 46. 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. 47. During puberty, girls have ..... voice as compared to boys. A) Low-pitched. B) Very high-pitched. C) High-pitched. D) Very low-pitched. Show Answer Correct Answer: C) High-pitched. 48. 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. 49. 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. 50. Initially girls grow ..... than boys. A) Faster. B) Slower. C) All the above. D) None of the above. Show Answer Correct Answer: A) Faster. 51. Infancy is the age of human being from A) 11 to 19 years. B) 2 to 11 years. C) Birth to 2 years. D) Lifetime. Show Answer Correct Answer: C) Birth to 2 years. 52. 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. 53. 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. 54. Goitre ' is a disease of: A) Adrenal gland. B) Pancreas. C) Thyroid gland. D) None of these. Show Answer Correct Answer: C) Thyroid gland. 55. 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. 56. Pituitary gland secrete which hormone? A) Thyroxine. B) Adrenaline. C) Growth hormone. D) None. Show Answer Correct Answer: C) Growth hormone. 57. 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. 58. In which of the following AIDS could not be spread? A) Sexual contact. B) Hugging an infected person. C) Blood transfusion. D) Breast feeding. Show Answer Correct Answer: B) Hugging an infected person. 59. 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. 60. 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 QuizzesScience QuizzesClass 8 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 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