Try it on paper first. A hint, the key idea and the worked solution are here when you need them.
NCERT gives India biosphere reserves, national parks and wildlife sanctuaries.
The Earth Summit was held at Rio de Janeiro in 1992. At Johannesburg in 2002, 190 countries pledged to reduce the rate of biodiversity loss significantly by 2010. NCERT gives India 14 biosphere reserves, 90 national parks and 448 wildlife sanctuaries. These summits are not in the NEET syllabus.
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Given. , and areas.
Step 1. (a) areas.
Step 2. (b) per cent.
Step 3. (c) national parks for each biosphere reserve.
Answer: ; per cent; .
Source. NCERT, Class XII Biology, chapter 13. The counts change as new areas are added.
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