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BIODIVERSITY AND CONSERVATION - NCERT
centuries if the present rates of species losses continue. Biodiversity and its conservation are now vital environmental issues of international concern as more and more people around the world begin to realise the critical importance of biodiversity for our survival and well- being on this planet. 15.1.1 How Many Species are there on Earth and How
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ntse exam notification - National Council Of …
ncert.nic.inExamination: The tentative pattern of written examination will be as follows: Stage-I & Il : examination at the State/UT level will comprise of three papers i.e.
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