Pollen grains of many species cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders – asthma, bronchitis, etc. It may be mentioned that Parthenium or carrot grass that came into India as a contaminant with imported wheat, has become ubiquitous in occurrence and causes pollen allergy.
In which common weed is pollen allergy widespread in India?
Correct answer: D — Parthenium
Parthenium or carrot grass causes pollen allergy.
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