Q. 2) Given below are some incomplete statements on conservation. Complete them by using the clues.
(5x3)= 15
In situ measures, Lentic, Wildlife sanctuaries, Rotational, Biopesticides
(i) An emphasis on organic farming using biological manure, biofertilisers and
should be given to
conserve soil.
ii) Overgrazing should be checked effectively to conserve grasslands. Methods for this include the adoption of controlled
grazing and
grazing system.
iii) A good step to conserve desert ecosystems is to convert them into
and national parks.
iv) The construction of dams across rivers and streams changes the nature of aquatic ecosystem from lotic to
v)
emphasis the creation of the protected areas in which typical ecosystem and all their wild plants and
animals are protected and preserved in their natural habitat.
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