Question

which is the strongest predisposing factor for asthma?
allergy
congenital malformations
male gender
air pollution

Explanation:

Asthma is a chronic respiratory condition, and allergy is well - known as the strongest predisposing factor. Congenital malformations are not a primary predisposing factor for asthma. Male gender is not a strong predisposing factor compared to allergy. Air pollution is a trigger or aggravating factor rather than the strongest predisposing factor.

Answer:

A. Allergy