Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
A. Parthenium
B. Elephant grass
C. Water hyacinth
D. Mogar grass
Answer: Option C
Solution (By Examveda Team)
Water hyacinth (Eichhornia crassipes) is used for purifying not only domestic wastewater but also industrial wastewater. It can readily absorb, accumulate and concentrate heavy metals such as lead, cadmium, mercury and nickel.This Question Belongs to Geography >> Environment And Ecology In Indian Geography
I think that the ans should be water hyacinth
Water hyacinth