Which is the final step used for preserving plant specimens in herbaria?

Botanical gardens are used for obtaining integrated information about which fields of study?

Match the following columns:

Column-$I$	Column-$II$
$1$. Herbarium	$a$. Stuffing
$2$. Botanical Garden	$b$. Wildlife conservation
$3$. Museum	$c$. Poisoning
$4$. Zoological Park	$d$. Orchidium

Which one of the following taxonomical aids is used for the identification of plants and animals based on similarities and dissimilarities?

One of the most important functions of botanical gardens is that

Statement $S$: Rani Jijamata Udyan is located in Mumbai.
Reason $R$: Himalayan Zoological Park is located in Gangtok.
$(a)$ 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.