Approximately how many varieties of rice are found in India?

The percentage of endemic flowering plants in India is approximately ......... (in $\%$)

Which criterion can be used to measure the number of prokaryotes?

The number of endangered species of angiosperms in India is:

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

India has only ....... percent of the world's land area,its share of the global species diversity is .......... percent.