Zoology - Immunology Book Back Questions

12th Standard EM

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    5 x 1 = 5
  1. AIDS virus has

    (a)

    Single stranded RNA

    (b)

    Double stranded RNA

    (c)

    Single stranded DNA

    (d)

    Double stranded DNA

  2. All are peripheral lymphoid organs except

    (a)

    Lymph nodes

    (b)

    Spleen

    (c)

    Mucosa associated lymphoid tissue

    (d)

    Thymus

  3. In agglutination and precipitation reactions, the antigen is a ______ and ______ respectively

    (a)

    Whole cell/soluble molecule

    (b)

    Soluble molecule/whole cell

    (c)

    Bacterium/virus

    (d)

    Protein/Antibody

  4. B cells that produce and release large amounts of antibody are called

    (a)

    Memory cells

    (b)

    Basophils

    (c)

    Plasma cells

    (d)

    killer cells

  5. Raja is injured and got swelling. The swelling is due to the infection of tissue is an example of

    (a)

    Mechanical barrier

    (b)

    Physiological barrier

    (c)

    Phagocytosis

    (d)

    Inflammation

  6. 3 x 2 = 6
  7. Name and explain the type of barriers which involve macrophages.

  8. What are interferons? Mention their role.

  9. List out chemical alarm signals produced during inflammation.

  10. 3 x 3 = 9
  11. Differentiate between:
    Autoimmune disease and Immunodeficiency disease

  12. Explain the process of replication of retrovirus after it gains entry into the human body.

  13. Why is an antibody molecule represented as H2 L2?

  14. 2 x 5 = 10
  15. Why is opsonisation efficient in phagocytosis?

  16. What is vaccine? What are its types?

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