ICSE /Class 7
Biology MCQ Based On Entry routes of allergens
Our free online Biology test quiz for Class 7, ICSE will assist you to improve your Biology skills on every concept in a fun interactive way.
ICSE Class 7 Biology Entry routes of allergens
Blood, neck, and shoulders are not entry routes of allergy.
The substance that causes allergic reactions is called allergens like sunlight, dust, mites, pollen grains, etc.
Allergies are your body's reaction to a normally harmless substance such as pollen, molds, animal dander, latex, certain foods, and insect stings.
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