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Class 12BiologyHuman Health and DiseaseAllergies
Easy

What is an allergy?

  • A
    An exaggerated response of the immune system to a specific antigen.
  • B
    An abnormal physiological reaction of the body to a specific allergen.
  • C
    Hypersensitivity to an allergen.
  • D
    All of the above.
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Class 12 Questions

Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Allergies

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