Quiz  /  Immunity Class 12 MCQ Questions With Answers

  • 1. 
    An immune response is primarily due to the body’s white blood cells recognizing

  • a hormone imbalance
  • abiotic organisms
  • foreign antigens
  • known antibiotics

  • 2. 
    Substances that cause the body to produce antibodies.

  • antibodies
  • antigens

  • 3. 
    True or False: Viruses that cause disease are killed using antibiotics.

  • True
  • False

  • 4. 
    Passive immunity is when

  • You produce your own antibodies to a disease
  • You are given antibodies to a disease
  • You are immune to any type of disease
  • Macrophages invade your lymphatic system and shield you from ever falling sick

  • 5. 
    Allergic reactions are an example of...

  • Hypersensitivity 1
  • Hypersensitivity 2
  • Hypersensitivity 3
  • Hypersensitivity 4
  • Hypersensitivity 5

  • 6. 
    Bi-specific mAbs have how many binding sites?

  • 1
  • 2
  • 3
  • 0

  • 7. 
    How many types of hypersensitivity reactions are there?

  • 1
  • 2
  • 3
  • 4
  • 5

  • 8. 
    The blue molecule in this image is a(n) _______

  • Antibody
  • Antigen
  • Pathogen
  • Blood cell

  • 9. 
    What do antibodies attach to on the pathogen?

  • Anti inflammatory
  • Antigens
  • Antiseptic
  • Antibodies

  • 10. 
    Largest immunoglobulin

  • Ig G
  • Ig M
  • Ig A
  • Ig D

  • 11. 
    A weakened or live attenuated virus can act as a:

  • Allergen
  • Virus
  • Vaccine
  • Pathogen

  • 12. 
    Heavy chain and light chain in an antibody joint by

  • phosphate di ester bonds
  • disulfide bonds
  • peptide bond

  • 13. 
    Proteins produced by B cells and designed to mark antigens to be destroyed, specific to the antigen.

  • Antigens
  • Active Immunity
  • Antibodies
  • Antibiotics

  • 14. 
    Which immunity is present at birth and passed from the mother to the baby through milk and the placenta?

  • Artificial Active Immunity
  • Natural Active immunity
  • Natural passive immunity
  • Artificial passive immunity

  • 15. 
    What is the role of antibodies?

  • Kills pathogens
  • Helps activate other immune cells
  • Produces antibodies
  • Binds to antigens and neutralizes pathogen

  • 16. 
    __________ immunity is when the bodies makes its own antibodies.

  • passive
  • active
  • cell mediated
  • false

  • 17. 
    Diphtheria is a disease caused by the bacterium Corynebacterium diphtheriae. A six month old baby boy, whose mother and father both had diphtheria as children, will develop active immunity against diphtheria if he

  • is being breast fed
  • receives a blood transfusion from the father
  • receives an injection of weakened diphtheria bacteria
  • receives injections of gamma globulin from the mother

  • 18. 
    Immunity in which antibodies are given to a person rather than produced within the person's own body

  • Artificial Passive Immunity
  • Natural Passive Immunity
  • Artificial Active Immunity
  • Artificial Passive Immunity

  • 19. 
    Which cell will "eat" pathogens?

  • helper T cell
  • B cell
  • macrophage
  • cytotoxic T cell

  • 20. 
    Which cell will make holes in cancer cells?

  • cytotoxic T cell
  • B cell
  • helper T cell
  • macrophage

  • 21. 
    What type of microbe is used in a vaccine?

  • it doesn't really matter
  • a damaged one
  • a weakened or inactivated one
  • a normal one

  • 22. 
    Detects foreign substances entering the blood and acts as a blood reservoir and filters out bacteria and worn out red blood cells.

  • Tonsils
  • Thymus
  • Spleen
  • Bone Marrow
  • Lymph Vessels

  • 23. 
    How does your body determine which cell to kill?

  • looks at the DNA fingerprint by each cell
  • uses the marker proteins
  • talks to the helper T cell about what to destroy
  • the brain tells it which cells belong
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