Eutrophication
Eutrophication
Eutrophication:
Eutrophication is a process of increasing the nutrient content of water which accelerates the growth of algae and higher plants. An excessive growth or ‘blooms of algae in lakes rich in nutrients such as phosphates are called eutrophication. Humans add excessive amounts of plant nutrients (primarily phosphorus, nitrogen, and carbon) to streams and lakes in various ways. Runoff from agricultural fields and urban lawns, and untreated domestic sewage discharged into lakes are major sources of these nutrients.
Which of the following are correct ? (a) Eutrophication is a process of increasing the nutrient content of water which accelerates the growth of algae and higher plants. (b) An excessive growth or ‘blooms of algae in lakes rich in nutrients such as phosphates are called eutrophication. (c) The nutrients that runoff untreated into lakes speed up the algal blooms which, in turn, lead to oxygen depletion.
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| Right Option : D | |||
| View Explanation | |||
The increase phosphorus, nitrogen, and carbon in lakes speed up the algal blooms which, in turn, lead to ______________ depletion. | |||
| Right Option : A | |||
| View Explanation | |||
Eutrophication leads to death of aquatic flora and fauna due to __________________ | |||
| Right Option : D | |||
| View Explanation | |||
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