b. Prelims Paper (GS) Paper – 1

(UPSC 2013) 22. Trees do not replace the grasses as a part of an ecological

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    Wonder Boy
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      22. In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

      (a) insects and fungi

      (b) limited sunlight and paucity of nutrients

      (c) water limits and fire

      (d) None of the above

       

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