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Immunity Test Challenge

  •  English    25     Public
    Today we’ll test how strong your knowledge is about the body’s defence system! Each group will answer questions in three rounds — First Line, Second Line, and Final Defence. The fa
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  • What name is given to foreign particles that stimulate the immune response?
    Antigens
  •  15
  • Which cells produce antibodies?
    Lymphocytes
  •  10
  • What are antibodies made of?
    Proteins
  •  10
  • Which line of defence prevents pathogens from entering the body?
    First line of defence
  •  5
  • Which enzyme in tears and saliva destroys some bacteria?
    Lysozyme
  •  15
  • Which organ’s acid destroys bacteria in food and drink?
    Stomach (Hydrochloric acid)
  •  5
  • Which skin secretion prevents microorganism growth?
    Sebum (oil and acid).
  •  15
  • What fluid secreted by the respiratory tract traps bacteria?
    Mucus
  •  10
  • What is the role of blood clotting in defence?
    Prevents entry of bacteria through wounds.
  •  15
  • Which line of defence includes fever, phagocytosis and inflammation?
    Second line of defence
  •  10
  • Which two leucocytes carry out phagocytosis?
    Neutrophils and monocytes
  •  15
  • What is formed when a phagocyte engulfs a bacterium?
    Phagosome
  •  15
  • Which organelle combines with a phagosome to digest bacteria
    Lysosome
  •  15
  • Which enzyme in lysosomes digests bacteria?
    Lysozyme
  •  15
  • Which chemical triggers the inflammatory response?
    Histamine
  •  15
  • What happens to blood capillaries when histamine is released?
    They expand and become more permeable
  •  15