The exaggerated response of the immune system to certain antigens present in environment is called as:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Allergy
Option (2) Allergy — Correct. Of the options, only allergy names this exaggerated response. Auto-immunity is an attack on the body’s own cells, and acquired and innate immunity are the normal defences of the body.
Note: A similar question was also asked in CUET (UG) 2026 on 14-05-2026 (Slot 1), and in CUET (UG) 2023 on 13-06-2023 (Slot 3).
NCERT Extract:
Allergies – “The exaggerated response of the immune system to certain antigens present in the environment is called allergy. The substances to which such an immune response is produced are called allergens. The antibodies produced to these are of IgE type. Common examples of allergens are mites in dust, pollens, animal dander, etc.”