Algae, in particular phytoplankton, play a fundamental role in lake and reservoir ecosystems, where nutrients are known to limit primary productivity rates. Populations in water bodies reflect the quality of water and affect community structure, biomass and productivity rates .
2.The water having suspended impurities
3.The water having colours
4.The water having microorganisms in it
a) E.coli is the indicator of water pollution
ans - c
The external coverings of diatoms are made up of , while slime molds have cell walls containing . Diatoms are because they make food through photosynthesis, while slime molds are because they eat decaying plant matter.
b) are good indicators of water pollution
diatoms are cheif indicator of water pollution
u cannot found them
in polluted water
E. Coliform bacteria is present in polluted water. The presence of E. Coliform bacteria show that there are pollutants in water and the water is not safe for drinking.
Henceforth, E. Coliform is a major indicator of impure water.
answer on basis of Class 10 NCERT
Washing clothes, bathing, factories also poured their waste in river etc are responsible for water pollution.
in festival statue of gods and their waste also poured into river
Explanation:distill tap water indicator is difficult to be found nut try