Organ Systems in Animals Model Question Paper

9th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 40
    5 x 1 = 5
  1. In the dental formula \(\cfrac { 2 }{ 2 } ,\cfrac { 1 }{ 1 } ,\cfrac { 2 }{ 2 } ,\cfrac { 3 }{ 3 } \)refers to__________

    (a)

    incisors

    (b)

    molas

    (c)

    premolars

    (d)

    cantne

  2. Lysozyme is seen in_______

    (a)

    gastric juice

    (b)

    intestinal juice

    (c)

    Bile

    (d)

    saliva

  3. Curdling of milk protein is done by___________

    (a)

    pepsin

    (b)

    rennin

    (c)

    lipase

    (d)

    maltase

  4. The act of bringing swallowed food back to the mouth is called___________

    (a)

    egestion

    (b)

    ingestion

    (c)

    micturition

    (d)

    regurgitation

  5. Gastric glands do not secrete__________

    (a)

    renin

    (b)

    pepsin

    (c)

    lipase

    (d)

    none of the above

  6. 5 x 2 = 10
  7. What is chyme?

  8. Name the bile salts.

  9. Name the bile pigments.

  10. What are Islets of Langerhans?

  11. What is succus entericus?

  12. 5 x 3 = 15
  13. Why do you think that urine analysis is an important part of medical diagnosis?

  14. Why your doctor advises you to drink plenty of water?

  15. Can you guess why there are sweat glands on the palm of our hands and the soles of our feet?

  16. Skin is considered to be an excretory organ - Justify.

  17. What is homeostasis

  18. 2 x 5 = 10
  19. Draw a chart to show the various enzymes produced during digestion is our body and their action

  20. List the function of the liver

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