India covers the world land area of . . . . . . and contributes the global diversity of . . . . . . .

The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation?

Which of the following rain forest is home to more than $40,000$ species of plants,$3,000$ of fishes,$1,300$ of birds,$427$ of mammals,$427$ of amphibians,$378$ of reptiles and more than $125,000$ invertebrates?

$A$ : India falls under the Oriental realm out of the major biogeographical realms.
$R$ : The world is divided into six biogeographical realms.

In India,a biodiversity hotspot area is found in

India shares about . . . . . . % of total biodiversity wealth on earth.