Common indicator organism of water pollution is
- ALemna paucicostata
- BEichhornia crassipes
- CEscherichia coli
- DEntamoeba histolytica
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Match the following impurities in water with their respective categories:
Column-$I$ Column-$II$ $(P)$ Suspended solids $(I)$ Fecal matter, bacteria, cloth and paper fibers $(Q)$ Colloidal materials $(II)$ Sand, silt, and clay $(R)$ Dissolved materials $(III)$ Nutrients (nitrate, ammonia, phosphate, sodium, calcium)
| Column-$I$ | Column-$II$ |
| $(P)$ Suspended solids | $(I)$ Fecal matter, bacteria, cloth and paper fibers |
| $(Q)$ Colloidal materials | $(II)$ Sand, silt, and clay |
| $(R)$ Dissolved materials | $(III)$ Nutrients (nitrate, ammonia, phosphate, sodium, calcium) |
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