The total number of biodiversity hotspots in the world is

$A$ - More than $70\%$ of all the species recorded are animals.
$R$ - Plants comprise more than $22\%$ of the species.

The largest endangered bird in India is

Approximately $.........$ plant species are used by indigenous people around the world in traditional medicines. (in $,000$)

$X$ - India has $2.4\%$ of the world's land area.
$Y$ - The diversity of plants and animals is not uniform throughout the world but shows a rather uneven distribution.
$Z$ - Species-area relationships were given by Alexander von Humboldt.
Identify the truth value of $X, Y,$ and $Z$ respectively.

Which one of the following pairs of geographical areas show maximum biodiversity in our country?