Question

Which pollen grains cause allergy and asthma

Answer 1

Answer:

Thunderstorm asthma' is a potent mix of pollens, weather conditions and rain that can trigger severe asthma symptoms. When rain droplets crash into airborne pollen, the pollen grains are broken into tiny particle

Answer 2

Paratenium(carrot grass) is a seed contaminant which often causes asthma