The works of which scientists have served as a guide for plant identification,arrangement in herbaria,and the preparation of regional floras?

Where is the Rani Jijamata Udyan (Veermata Jijabai Bhosale Udyan and Zoo) located?

Statement $S$: The Museum of Natural History is located in England.
Reason $R$: The Herbarium of Forest Research is located in Kolkata.
$(a)$ Both $S$ and $R$ are true,$R$ 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.
$(d)$ Both $S$ and $R$ are false.

Which of the following is associated with herbaria?

For identifying organisms through a key,usually:

Column $I$ lists the names of botanical gardens and Column $II$ lists their locations. Choose the correct matching option:

Column $I$	Column $II$
$1.$ Royal Botanical Garden	$p.$ Lucknow
$2.$ National Botanical Garden	$q.$ Kew
$3.$ Lloyd Botanical Garden	$r.$ Kolkata
$4.$ Indian Botanical Garden	$s.$ Darjeeling