Which one of the following statement is incorrect?
(A) Parthenium or carrot grasses causes pollen allergy.
(B) Vegetative cell of pollen has abundant food reserve.
(C) All pollen cause severe allergies and bronchial afflictions.
(D) Sporopollenin is the most resistant organic matter known.
Pollen grains of many species and not all plants cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders– asthma, bronchitis, etc.