Keys are generally . . . . . . in nature.

$S$ Statement: Zoological parks serve as centers for learning about the conservation of wildlife.
$R$ Reason: Botanical gardens are used to establish seed banks where gene pools are created for the preservation of rare genes.
$(a)$ 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.

To preserve specimens in their original state,which of the following methods is used?

Match the following columns:

Column-$I$	Column-$II$
$1$. Central National Herbarium	$a$. Dehradun
$2$. Museum of National History	$b$. Darjeeling
$3$. British Museum of Botanical Garden	$c$. Paris
$4$. Herbarium of Forest Research	$d$. Kolkata
	$e$. Kew

Assertion : Flora contains the actual account of habitat and distribution of plants of a given area.
Reason : Flora helps in correct identification.

Which of the following is a botanical garden located in Gujarat?