The first biosphere reserve established in India for conserving the gene pool of flora and fauna and the life style of tribals is

Spot out the zone of our country considered as the hot spot of biodiversity and regarded as the "Cradle of Speciation'.

If the Bengal tiger becomes extinct

In India, forests constitute about

Kaziranga is famous for

Assertion : Diversity observed in the entire geographical area is called gamma diversity.
Reason : Biodiversity decreases from high altitude to low altitude