CBSE  /  Class 8  /  Science  /  Reaching the Age of Adolescence

  • 1. 
    Which of the following disease is causes by deficiency of iodine:

  • goitre
  • diabetes
  • scurvy
  • beri-beri

  • 2. 
    Which of the following is secreted by endocrine glands:

  • harmones
  • enzymes
  • digestive juices
  • all of the above

  • 3. 
    Which of the following hormones is secreted by pituitary gland:

  • insulin
  • thyroxine
  • growth
  • adrenalin

  • 4. 
    The necessary element for the formation of thyroxine hormone is:

  • iron
  • iodine
  • calcium
  • magnesium

  • 5. 
    Which of the following gland secretes thyroxine hormone:

  • adrenal
  • thyroid
  • pituitary
  • pancreas

  • 6. 
    Which of the following hormone helps at the time of excitement, tear, tension etc:

  • adrenalin
  • insulin
  • growth
  • thyroxine

  • 7. 
    Menarche is:

  • beginning of menstrual flow
  • stoppage of menstrual flow
  • attachment of embryo with the uterus
  • none of these

  • 8. 
    Menopause is:

  • beginning of menstrual flow
  • stoppage of menstrual flow
  • attachment of embryo with the uterus
  • none of these

  • 9. 
    ‘Puberty’ is the age at which the:

  • reproductive system stops
  • reproductive system becomes functional
  • person starts talking
  • none 6 these

  • 10. 
    Adolescents should be careful about what they eat, because:

  • proper diet develops their brains
  • proper diet is needed for the rapid growth taking place in their body
  • adolescents feels hungry all the time
  • taste buds are well-developed in teenagers.
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