24june2019 paper1 Q44
0. Algal blooms in oligotrophic lakes are:
- Option : C
- Explanation : The trophic state of a lake is determined by the amount of biologically useful nutrients dissolved in the waters of the lake. A water body can be oligotrophic, mesotrophic, eutrophic, and hypereutropic. Oligotrophic Lake is a lake with low productivity, low nutrients and clear water with drinking water quality. Algal blooms occur very rarely in oligotrophic lakes while it occurs very frequently in Eutrophic lakes.
