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Question

How does an algal bloom cause eutrophication of a water body? Name the weed that can grow in such a eutrophic lake.

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Solution

The presence of large amounts of nutrients in waters causes excessive growth of algae called an algal bloom which causes fish mortality. Eutrophication is the natural aging of a lake by nutrient enrichment of its water.

Eichhornia crassipes or water hyacinth can grow in a eutrophic lake.


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