More than . . . . . . $\;\%$ of the drugs currently sold in the market worldwide are derived from plants.

Match the following columns:

Column-$I$	Column-$II$
$(P)$ Genetic diversity	$(I)$ Diversity at the genetic level
$(Q)$ Species diversity	$(II)$ Diversity at the species level
$(R)$ Ecological diversity	$(III)$ Diversity at the ecosystem level

Define/Explain: Endemic species.

Genetic diversity is the measure of

In the equation $S = CA^z$,where $S =$ species richness,$A =$ area,$Z =$ slope of the line,and $C =$ $Y$-intercept. If area is on the $X$-axis and species richness is on the $Y$-axis,what will the graph of $S = CA^z$ look like?

India has nearly ..... varieties of plants. (in $,000$)