Where is the Nehru Zoological Park located?

$S$ 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.

Which locations can be selected for field studies in the taxonomy of living organisms?

When can a botanical garden provide taxonomic information for research at a single location?

Statement $X$: Collection of plant and animal species is the primary source of taxonomic studies.
Statement $Y$: Taxonomic studies help in preparing flora and fauna of different regions.
Statement $Z$: Based on taxonomic studies,the geographical distribution of organisms can be understood.

Which of the following is associated with botanical gardens?