Zoology - Body Fluids and Circulation Book Back Questions

11th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    7 x 1 = 7
  1. What is the function of lymph?

    (a)

    Transport of O2 into brain

    (b)

    Transport of CO2 into lungs

    (c)

    Bring interstitial fluid in blood

    (d)

    Bring RBC and WBC in lymph node

  2. Which one of the following plasma proteins is involved in the coagulation of blood?

    (a)

    Globulin

    (b)

    Fibrinogen

    (c)

    Albumin

    (d)

    Serum amylase

  3. Which of the following WBCs are found in more numbers

    (a)

    Eosinophil

    (b)

    Neutrophil

    (c)

    Basophil

    (d)

    Monocyte

  4. Blood group is due to the presence or absence of surface

    (a)

    Antigens on the surface of WBC

    (b)

    Antibodies on the surface of  RBC

    (c)

    Antigens of the surface of RBC

    (d)

    Antibodies on the surface of WBC

  5. A person having both 'antigen A and antigen B on the surface of RBCs belongs to blood group

    (a)

    A

    (b)

    B

    (c)

    AB

    (d)

    O

  6. Dub sound of heart is caused by

    (a)

    Closure of atrio-ventricular valves

    (b)

    Opening of semi-lunar valves

    (c)

    Closure of semi -lunar values

    (d)

    Opening of atrio-ventricular valves

  7. At the venous end of the capillary bed, the osmotic pressure is

    (a)

    Greater than the hydrostatic pressure

    (b)

    Result in net outflow of fluids

    (c)

    Results in net absorption of fluids

    (d)

    No change occurs

  8. 2 x 2 = 4
  9. Distinguish between mitral valve and semi lunar valve.

  10. Right ventricular wall is thinner than the left ventricular wall Why

  11. 3 x 3 = 9
  12. Distinguish between arteries and veins.

  13. What might be the effect on a person whose diet has less iron content?

  14. What are the heart sounds? When and how are these sounds produced?

  15. 2 x 5 = 10
  16. Describe the mechanism by which the human heart beat is initiated and controlled.

  17. Name and Label the given diagrams to show A, B, C, D, E, F, and G

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