Question

the earth summit Rio de janeiro in 1992 resulted into
a) Compilation of Red List
b) Establishment of Biosphere Reserves
c) Convention of Biodiversity
d) IUCN

Answer 1

The Earth Summit Rio de janeiro (Brazil) - 1992 resulted into :

✿ Convention of Biodiversity

Because, Already before Earth Summit :

✿ IUCN was Established in the Year 1948 and The Job of IUCN is to Compile the Red List of Endangered Species. So, Compilation of Red List started before the Earth Summit.

✿ Biosphere Reserves are also established before the Earth Summit

So, Option (C) is the Answer