Q. Common examples of allergens are

A) Dust
B) Pollen grains
C) Animal dander
D) All of these
Explanation

The substance, which produces immune response in an individual are called allergens, $e.g.,$ pollen grains, animal dander, dust, feathers, drugs like penicillin, etc.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.