1.

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? [IAS 2008]

A. 1 only
B. 1 and 2 only
C. 3 only
D. 1, 2 and 3
Answer» D. 1, 2 and 3


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