Who developed the $key$ for the identification of animals?

Which is the famous herbarium located in the state of Gujarat?

Where is the Great Banyan Tree 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.

Under whose guidance do zoological parks operate?

Statement $P$: $A$ herbarium is a storehouse of plant specimens collected from various places.
Statement $Q$: There are specific methods for preserving plant specimens in herbaria.