8th Class Science Reaching the Age of Adolescence Question Bank

done Reaching the Age of Adolescence Total Questions - 35

• question_answer1)
  Which of the following statements is true?
  A)
   Boys reach puberty at an earlier age than girls. done clear
  B)
                          Girls reach puberty earlier than boys. done clear
  C)
                          At the end of rapid growth, girls are normally heavier than boys. done clear
  D)
                          Between the age of 4 to 12, girls grow faster than boys. done clear
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• question_answer2)
  Direction: Answer the questions from 2 based on the graph given below. Which of the following represents growth periods labelled as P, Q and R?
  A)
   P - lnfancy, Q-Childhood, R-Old age done clear
  B)
                          P - lnfancy, Q-Childhood, R-Adolescence done clear
  C)
                          P ? Adulthood, T-Adolescence, R-Old age done clear
  D)
                          P-Childhood, Q-lnfancy, R-Adolescence done clear
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• question_answer3)
  Direction: Answer the questions from 3 based on the graph given below. When does adolescence occur?
  A)
   0 to 3 years       done clear
  B)
                          3 to 13 years                 done clear
  C)
                          11 to 18 years   done clear
  D)
                          18 to 45 years done clear
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• question_answer4)
  Direction: Answer the questions from 4 based on the graph given below. What are the two different periods that show rapid growth rate?
  A)
   Infancy and adolescence done clear
  B)
                          Adulthood and old age done clear
  C)
                          Infancy and childhood done clear
  D)
                          Adolescence and old age done clear
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• question_answer5)
  Direction: Answer the questions from 5 based on the graph given below. During which of the following stages of growth in height is maximum?
  A)
   At the end of adulthood done clear
  B)
                          Before puberty done clear
  C)
                          At the beginning of old age done clear
  D)
                          At the beginning of adulthood done clear
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• question_answer6)
  What is the role of sperms in reproduction?
  A)
   To stimulate ovum done clear
  B)
                          To fertilize the egg done clear
  C)
                          To form foetus done clear
  D)
                          To initiate changes in male during puberty done clear
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• question_answer7)
  What causes changes in females at the time of puberty?
  A)
   Sex cells                       done clear
  B)
                          Enzymes                                   done clear
  C)
                          Nutrients                       done clear
  D)
                          Sex hormones done clear
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• question_answer8)
  Which of the following will occur in females at puberty?
  A)
   Ovulation done clear
  B)
                          Enlargement of breasts done clear
  C)
                          Broadening of hips done clear
  D)
                          All of these done clear
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• question_answer9)
  A girl has menstruation on the 6th day of the month. When is ovulation most likely to occur?
  A)
   15th-17th day   done clear
  B)
                          18th - 20th day done clear
  C)
                          23rd - 25th day done clear
  D)
                          27th-28th day done clear
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• question_answer10)
  When do girls overtake boys in height?
  A)
   Childhood                     done clear
  B)
                          Adolescence      done clear
  C)
                          Adulthood                     done clear
  D)
                          Old age            done clear
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• question_answer11)
  In girls, secondary sexual characteristics develop between
  A)
   9 and 11 years. done clear
  B)
                          11 and 14 years.            done clear
  C)
                          15 and 18 years.            done clear
  D)
                         19 and 21 years. done clear
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• question_answer12)
  Why is a diet rich in proteins essential at puberty?
  A)
   For supplying sufficient energy done clear
  B)
                          For the formation of new cells during growth done clear
  C)
                          the formation of strong bones and teeth done clear
  D)
                          protection from diseases done clear
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• question_answer13)
  Which of the following is NOT a secondary sexual characteristic feature of girls?
  A)
   The enlargement of breasts. done clear
  B)
                          The deepening of voice. done clear
  C)
                          The menstruation begins. done clear
  D)
                          The growth of hair at armpit. done clear
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• question_answer14)
  Which of the following is/are true of secondary sexual characteristics of boys?
  A)
   Growth of facial hair done clear
  B)
                          Development of bones and muscles done clear
  C)
                          Production of sperms done clear
  D)
                          All of these done clear
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• question_answer15)
  The menstrual cycle stops in a women at about 50 years old. The woman is said to have reached
  A)
   puberty.                        done clear
  B)
                          menopause. done clear
  C)
                          menarche.                     done clear
  D)
                          adolescence.      done clear
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• question_answer16)
  Which of the following does not take place during the final stage of the menstrual cycle?
  A)
   Further thickening of the uterine lining. done clear
  B)
                          Repair and growth of the uterine lining. done clear
  C)
                          Ovulation. done clear
  D)
                          Both (B) and (C) done clear
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• question_answer17)
  Which of these hormones is secreted by endocrine gland located on the top of kidneys?
  A)
   Adrenaline                    done clear
  B)
                          Insulin  done clear
  C)
                          Progesterone      done clear
  D)
                          Testosterone done clear
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• question_answer18)
  Which of the following pairs of hormones and minerals is associated with the occurrence of goitre?                
  A)

  Minerals	Hormones
  Iron	Insulin

                  done clear
  B)
                        

  Minerals	Hormones
  Iodine	Thyroxine

  done clear
  C)
                        

  Minerals	Hormones
  Calcium	Thyroxine

                  done clear
  D)
                        

  Minerals	Hormones
  Phosphorus	Adernaline

  done clear
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• question_answer19)
  Incomplete development of male secondary sexual characteristics is caused due to deficiency in?
  A)
   Estrogen.                      done clear
  B)
                          Progesterone.     done clear
  C)
                          Adrenaline.                   done clear
  D)
                          Testosterone.     done clear
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• question_answer20)
  Which of the following hormones initiates metamorphosis in insects?
  A)
   Thyroxine       done clear
  B)
                          Insulin              done clear
  C)
                          Growth hormone            done clear
  D)
                          Adrenaline done clear
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• question_answer21)
  Which chromosomes determine the sex of an individual?
  A)
   Autosomes done clear
  B)
                          Allosomes done clear
  C)
                          Plasmid done clear
  D)
                          Giant chromosomes       done clear
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• question_answer22)
  What is the legal age for boys and girls to get married in our country?
  A)
   18 years for boys, 21 years for girls. done clear
  B)
                          21 years for boys, 18 years for girls. done clear
  C)
                          23 years for boys, 20 years for girls. done clear
  D)
                          25 years for boys, 18 years for girls. done clear
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• question_answer23)
  Which of the following is called the master gland in the human body?
  A)
   Thyroid            done clear
  B)
                          Adrenal            done clear
  C)
                          Islets of Langerhans        done clear
  D)
                          Pituitary done clear
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• question_answer24)
  Which of the following hormones controls the menstrual cycle, the ovulation process and the development of the uterus in the females?
  A)
   Estrogen                       done clear
  B)
                          Progesterone                  done clear
  C)
                          Testosterone                  done clear
  D)
                          Both (A) and (B) done clear
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• question_answer25)
  Which of the following transports hormones from the place of origin to the place of target?
  A)
   Ducts                           done clear
  B)
                          Blood               done clear
  C)
                          Nerves                          done clear
  D)
                          All of these done clear
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• question_answer26)
  Arjun kept losing weight even though he was taking his meals regularly. He felt thirsty all the time. When the doctor tested Arjun's urine, the test showed a high concentration of glucose. What disease is Arjun suffering from?
  A)
   Goitre. done clear
  B)
                          Cancer. done clear
  C)
                          Diabetes mellitus. done clear
  D)
                          Cirrohsis of the liver. done clear
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• question_answer27)
  A Which of the following processes involves the fusion of a male and female gamete?
  A)
   Fertilization                   done clear
  B)
                          Fission  done clear
  C)
                          Implantation                 done clear
  D)
                          Insemination done clear
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• question_answer28)
  Which of the following factors determine the sex of the offspring in humans?
  A)
   Mother's sex chromosomes done clear
  B)
                          Father's sex chromosomes done clear
  C)
                          Mother's vegetative chromosomes done clear
  D)
                          Father's vegetative chromosomes done clear
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• question_answer29)
  A Identify the correct sequence that is followed during the growth of human being?   

  1. Foetus	2. Zygote
  3. Embryo	4. Baby
  5. Adult	6. Adolescent
  7. Child

  A)
   2, 3, 1, 4, 7, 6, 5.          done clear
  B)
                          2, 1, 3, 4, 7, 5, 6.          done clear
  C)
                          3, 2, 1, 4, 6, 7, 5.          done clear
  D)
                          1, 3, 2, 4, 7, 6, 5. done clear
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• question_answer30)
  The given table has various stages.

  W - The ovum dies within 24 hours after ovulation.

  X - The uterus wall thickens with blood vessels.

  Y - The uterus wall breaks down.

  Z - The ovary discharges an ovum.

  Which of these sequence is correct of the menstrual cycle?
  A)
   W, Y, X, Z                            done clear
  B)
                          X, Z, W, Y                            done clear
  C)
                          Y, W, Z, X                            done clear
  D)
                          Z, X, Y, W done clear
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• question_answer31)
  What do X, Y and Z represent in the figure given below?
  A)
   X-Ovum, Y-testes, Z-Ovulation done clear
  B)
                          X-Testes, Y-Ovum, Z-lmplantation done clear
  C)
                          X-Ovum, Y-Testes, Z-lmplantation done clear
  D)
                          X-Testes, Y-Ovum, Z-Fertilization done clear
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• question_answer32)
  Which of the following parts secretes testosterone?
  A)
   Tunica albuginea done clear
  B)
                          Interstitial cells done clear
  C)
                          Germinal epithelium done clear
  D)
                          Sertoli cells of testes done clear
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• question_answer33)
  Which of the following endocrine glands is nearest to the heart?
  A)
   Thyroid                                done clear
  B)
                          Pancreas                             done clear
  C)
                          Thymus                               done clear
  D)
                          Adrenal               done clear
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• question_answer34)
  Which of the following represents the composition of female destined zygote in human beings?
  A)
   22+X.                                    done clear
  B)
                          44+XY.                 done clear
  C)
                          33+Y.                                    done clear
  D)
                          44+XX. done clear
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• question_answer35)
  Which of the following body fluids does not transmit HIV?
  A)
   Blood                                   done clear
  B)
                          Breast milk         done clear
  C)
                          Tears                                    done clear
  D)
                          Semen done clear
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