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Human Health and Disease — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease2 Marks
Question
Name and explain the two types of immune response in humans.
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Answer

The two types of immune responses are:
  1. Primary immune response:
  • The immune response that occurs as a result of the first encounter of the animal with an antigen is called primary immune response.
  • It takes longer time to establish immunity.
  • It declines rapidly.
  1. Secondary immune response
  • The immune response that occurs at the second and subsequent encounters of the animal with the antigen, is called secondary immune response.
  • It is more rapid and results in hightened immunity.

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