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  1. Eutrophication is the result of
    1. bryophyte
    2. algae and aquatic plants
    3. gymnosperm
    4. pteridophyte
Correct Option: B

Eutrophication is the enrichment of bodies of fresh water by inorganic plant nutrients (e.g., nitrate, phosphate). These typically promote excessive growth of algae. As the algae die and decompose, high levels of organic matter and the decomposing organisms deplete the water of available oxygen, causing the death of other organisms, such as fish.



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