How many biodiversity hot spots have been identified in the world?

Discuss the diversity of life forms found on our Earth.

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.

Exploration of molecular,genetic and species level diversity for novel products of economic importance is known as

Which one of the following has maximum genetic diversity in India?

In India,temperate evergreen vegetation occurs mostly in