One of the major contributors to pollen allergy is ____Alawn grassBcarrot grassCwheat grassDpaddyAnswer: B. carrot grass Read Explanation: Pollen allergies are usually caused by plants that produce pollens in a large number. Because of this they might float in air as well causing them to enter respiratory tracts. Carrot grass, Parthenium are a major contributor to pollen allergies. Read more in App