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

Read the following statements:
$(A)$ Tropics harbour more species than temperate or polar areas.
$(B)$ Colombia located near the equator has nearly $1400$ species of birds.
$(C)$ India has less than $105$ species of birds.

In global biodiversity of plants,which of the following statements is correct?

Given below are pie diagrams $I$,$II$ and $III$ related to the proportionate number of species of major taxa of invertebrates,vertebrates and plants respectively. Critically study and fill in the blanks $A, B, C$ and $D$.

The Amazonian rain forest in South America is home to more than $A$ species of plants and $B$ species of fishes.

Identify the names of two hot spots of biodiversity in India.