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With reference to a fresh water lake, consider the following characteristics:
With reference to a fresh water lake, consider the following characteristics:
1. Richness in nutrients
2. Rapid turnover of phytoplankton
3. Depletion of dissolved oxygen
Which of the above is/are observed in a lake after its eutrophication?
Answer & Solution
Correct Answer:
Option
D
Depletion of dissolved oxygen is observed in a lake after its eutrophication. Eutrophication is the process by which a body of water becomes enriched in dissolved nutrients (as phosphates), stimulating the growth of aquatic plant life usually resulting in the depletion of dissolved oxygen.
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