Term 2 Reaching the age of Adolescence One Mark Questions with Answer

8th Standard EM

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 1 = 10
  1. Adolescence is the period of life between _____________ years of age.

    (a)

    10 to 16

    (b)

    11 to 17

    (c)

    11 to 19

    (d)

    11 to 20

  2. The period at which an organism attains sexual maturity is called _____________

    (a)

    puberty

    (b)

    adolescence

    (c)

    growth

    (d)

    maturity

  3. During puberty, the region below the waist become wider in _____________

    (a)

    boys

    (b)

    girls

    (c)

    Both a and b

    (d)

    None of these

  4. Adam’s apple is the growth of the ________

    (a)

    pharynx

    (b)

    thyroid

    (c)

    larynx

    (d)

    parathyroid

  5. Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.

    (a)

    sweat

    (b)

    sebaceous

    (c)

    sweat and sebaceous

    (d)

    None of these

  6. The sperm is produced by ____________

    (a)

    penis

    (b)

    ovary

    (c)

    uterus

    (d)

    testes

  7. ___________ are the chemical substances, secreted by endocrine glands.

    (a)

    Hormones

    (b)

    Enzymes

    (c)

    Proteins

    (d)

    Fatty acids

  8. Androgen production is regulated by ___________

    (a)

    GH hormone

    (b)

    LH hormone

    (c)

    TSH hormone

    (d)

    ACTH hormone

  9. During menstruation, the progesterone level is ___________

    (a)

    decreased

    (b)

    increased

    (c)

    ceased

    (d)

    normal

  10. ___________ intake needs to be increased to prevent osteoporosis in later life.

    (a)

    Potassium

    (b)

    Phosphorus

    (c)

    Iron

    (d)

    Calcium

  11. 10 x 1 = 10
  12. ____________ is secreted by the ovaries of female.

    ()

       

  13. The hormones secreted by the gonads are controlled by __________

    ()

       

  14. Milk secretion during lactation is controlled by ____________ hormone

    ()

       

  15. The male and the female gamete fuse together and form ____________

    ()

       

  16. The first menstrual flow begins at puberty and it is termed as ______________

    ()

       

  17. _____________ usually occurs 14 days after ovulation.

    ()

        

  18. _____________ includes protein, carbohydrates, fats and vitamins in requisite proportion.

    ()

        

  19. ____________ helps to prevent thyroid gland related diseases.

    ()

         

  20. Iron deficiency leads to ____________

    ()

        

  21. In women fertilization takes place at ___________

    ()

         

  22. 5 x 1 = 5
  23. There is a sudden increase in the height of both boys and girls during puberty.

    (a) True
    (b) False
  24. The release of ovum from the uterus is called ovulation

    (a) True
    (b) False
  25. During pregnancy, the corpus luteum continues to grow and produces large amount of estrogen and progesterone

    (a) True
    (b) False
  26. Making use of disposable napkins or tampons may increase the chances of infections.

    (a) True
    (b) False
  27. Using clean toilets for defecation is a good practice.

    (a) True
    (b) False
  28. 5 x 1 = 5
  29. Puberty 

  30. (1)

    Muscle development

  31. Adam’s apple

  32. (2)

    Testosterone

  33. Androgen

  34. (3)

    at 45 to 50 years of age

  35. ICSH

  36. (4)

    Sexual maturity

  37. Menopause

  38. (5)

    Change in voice

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