The substances responsible for causing allergies are called.........

The type of antibodies produced during the allergic reaction is:

Allergy is defined as ..........

Assertion: Many visitors to the hills suffer from skin and respiratory allergy problems.
Reason: Conifer trees produce a large quantity of wind-borne pollen grains.

Children living in most of the developed cities of India suffer from which diseases?

Inflammatory response in allergy is due to the release of............from the mast cells.