Question
Assertion [A]: Eutrophication shows an increase in productivity of water.
Reason [R]: With increasing eutrophication, the diversity of phytoplankton increases.
Reason [R]: With increasing eutrophication, the diversity of phytoplankton increases.
Answer: Option B
:
B
Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both. It is a natural state in many lakes and ponds which have rich supply of nutrients. Eutrophication becomes excessive however, when abnormally high amounts of nutrients from sewage, fertilisers, animal waste and detergententer streams and lakes causing excessive growth or bloomof microorganisms.With increasing eutrophication, the diversity of the phytoplankton community of a lake increases and the lake finally becomes dominated by bluegreen algae.
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:
B
Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both. It is a natural state in many lakes and ponds which have rich supply of nutrients. Eutrophication becomes excessive however, when abnormally high amounts of nutrients from sewage, fertilisers, animal waste and detergententer streams and lakes causing excessive growth or bloomof microorganisms.With increasing eutrophication, the diversity of the phytoplankton community of a lake increases and the lake finally becomes dominated by bluegreen algae.
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