Question

Which of the following is a notorious, difficult-to-control weed found in both agricultural and non-agricultural areas across India, known as 'Congress grass' or 'carrot grass', and is associated with causing allergic reactions and respiratory problems in humans upon contact or inhalation of its pollen?

A Cyperus rotundus
B Cynodon dactylon
C Echinochloa crus-galli
D Parthenium hysterophorus
E Eichhornia crassipes
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