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 means excessive growth or ‘blooms of algae in lakes because of nutrients such as phosphates is called eutrophication. (b) Presence of phosphorus, nitrogen, and carbon speed up the algal blooms which, in turn, lead to oxygen depletion. (c) Many fish, birds, and other animals die and the water begins to stink because of Eutrophication | |||
| Right Option : D | |||
| View Explanation | |||
An excessive growth or ___________________ in lakes makes it rich in nutrients such as phosphates and it is called eutrophication. | |||
| 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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