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eutrophication in water bodies leads to high DO low BOD low DO optimum dissolved oxygen

eutrophication in water bodies leads to
  1. high DO
  2. low BOD
  3. low DO
  4. optimum dissolved oxygen

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
7 years ago
The correct option is 3.
Eutrophication or more precisely hypertrophication, is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic system. One example is the "bloom" or great increase of phytoplankton in a water body as a response to increased levels of nutrients. Negative environmental effects include hypoxia, the depletion of oxygen in the water, which causes a reduction in specific fish and other animals. Other species (such as Nomura's jellyfish in Japanese waters) may experience an increase in population that negatively affects other species.

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