In India, tropical wet evergreen rain forests are not found in:

What does '$X$' represent in the given graph?

Match List-$I$ with List-$II$:

List-$I$	List-$II$
$A$. The Evil Quartet	$I$. Cryopreservation
$B$. Ex situ conservation	$II$. Alien species invasion
$C$. Lantana camara	$III$. Causes of biodiversity losses
$D$. Dodo	$IV$. Extinction

Choose the option with all correct matches:

On behalf of endangered species and habitats,why are conservationists calling for immediate and often expensive action?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Edward Wilson	$(i)$ Ecosystem experiments on plots
$(b)$ Alexander von Humboldt	$(ii)$ Rivet Popper Hypothesis
$(c)$ David Tilman	$(iii)$ Coined the term Biodiversity
$(d)$ Paul Ehrlich	$(iv)$ Species-Area relationships

$A$ - Loss of biodiversity in a region may lead to an increase in plant production.
$R$ - Loss of biodiversity in a region may lead to lowered resistance to environmental perturbations such as drought.