How many varieties of mango are found in India?

In India,nearly $45,000$ species of . . . . . . and twice as many of . . . . . . have been recorded.

India has $.......$ $\%$ of the world's land area,its share of the global species diversity is an impressive $.......$ $\%$ .

Among the following,which group has the highest number of species?

Give the correct descending order of organisms with reference to their estimated number found in the Amazon rainforest:
$(a)$ Plants
$(b)$ Invertebrates
$(c)$ Fishes
$(d)$ Mammals
$(e)$ Birds
Choose the correct answer from the options given below:

According to the $IUCN$ Red List $(2004)$, $784$ species have become extinct in the last $500$ years. Match the extinct species given in Column-$I$ with their respective numbers in Column-$II$.

Column-$I$	Column-$II$
$(P)$ Vertebrates	$(I)$ $338$
$(Q)$ Invertebrates	$(II)$ $87$
$(R)$ Plants	$(III)$ $359$