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With reference to Eutrophication, which of the following statements is/are correct?

  By GK Planet Team      
Q. With reference to Eutrophication, which of the following statements is/are correct?
  1. It is a phenomenon of nutrient enrichment of a water body.
  2. It depletes dissolved oxygen of the water.
Select the correct answer using the codes given below :
Codes :
  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Answer: Both 1 and 2

Eutrophication

“Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”

One of the negative impacts of eutrophication and increased algal growth is a loss of available oxygen, known as anoxia. These anoxic conditions can kill fish and other aquatic organisms such as amphibians.It is true algae produce oxygen, but only when there is enough light.
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Thanks for reading With reference to Eutrophication, which of the following statements is/are correct?

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