What is collected in museums for study and reference?

Select the correct match.

Column $I$	Column $II$
$A$. Ex-situ conservation	$I$. Central National Herbarium
$B$. Quick referral system	$II$. Museum
$C$. Preserved plants and animals	$III$. Flora
$D$. Account of habitat and distribution of plants in an area	$IV$. Royal Botanical Garden

Which of the following taxonomical aids is being described by the given statements $(i-iv)$?
$(i)$. They are generally established in educational institutes.
$(ii)$. They have collections of preserved plant and animal specimens for study and reference.
$(iii)$. Insects are preserved in boxes after collecting,killing,and pinning.
$(iv)$. They often have collections of skeletons of animals too.

What is a taxonomic key?

$S$ Statement: In herbaria,plant specimens are preserved using specific methods.
$R$ Reason: $A$ herbarium is a storehouse of plant specimens collected from various locations.
$(a)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.

Zoological parks serve as centers for the study of which of the following?