Maharashtra State Board course HSC Science (General) 12th Board Exam
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Give any two unique features of acquired immunity. - Biology

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Question

Give any two unique features of acquired immunity.

Solution

Unique features of acquired immunity are as follows:

  1. Specificity:
    Acquired immunity is specific for each type of pathogen. It has the ability to differentiate between various foreign molecules.
  2. Diversity:
    It has the ability to recognize vast variety of diverse pathogens or foreign molecules.
  3. Discrimination between self and non-self:
    It is able to differentiate between own cells (self) and foreign cells or molecules (non-self).
  4. Memory:
    When the immune system encounters a specific pathogen for the first time, it generates immune response and eliminates the invader. The immune system retains the memory of this encounter. As a result, a second encounter with same pathogen stimulates a stronger immune response.
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APPEARS IN

 2015-2016 (July) (with solutions)
Question 7.1.2 | 3.00 marks
Solution Give any two unique features of acquired immunity. Concept: Concept of Immunity.
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