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مدافعت اور بیماری

Written by Dr. Hira Salman (Biology)

بارہویں جماعت · حیاتیات · 8 سوالات

نام: ____________________   تاریخ: ____________

  1. Antibodies are made by:

    • A Platelets
    • B Neurons
    • C Red blood cells
    • D B lymphocytes

  2. Vaccination gives:

    • A Temporary relief only
    • B Active immunity
    • C No immunity
    • D Passive immunity only

  3. Mosquitoes spread:

    • A Tuberculosis
    • B Malaria
    • C Cholera
    • D Measles

  4. AIDS is caused by:

    • A A protozoan
    • B A fungus
    • C HIV
    • D A bacterium

  5. Tuberculosis is caused by:

    • A A virus
    • B A protozoan
    • C A bacterium
    • D A fungus

  6. The first line of defence of the body against pathogens is the:

    • A Antibodies
    • B Skin
    • C Vaccines
    • D Memory cells

  7. A substance that triggers an immune response is an:

    • A Antibody
    • B Enzyme
    • C Hormone
    • D Antigen

  8. Passive immunity can be gained from:

    • A A vaccine
    • B Exercise
    • C Having the disease
    • D Mother's milk

جوابی کلید

1. D, 2. B, 3. B, 4. C, 5. C, 6. B, 7. D, 8. D

  1. B cells produce antibodies after meeting an antigen.

  2. The body makes its own antibodies and memory cells.

  3. The Anopheles mosquito carries malaria.

  4. The virus damages helper T cells.

  5. Mycobacterium tuberculosis causes TB.

  6. Skin is a physical barrier.

  7. Antigens are recognised as foreign.

  8. Antibodies are passed from the mother.