What is the inadequate understanding among members in a botanical garden?

Assertion $A$: Many new and improved varieties of fruits,vegetables,and flowers can be obtained through research in botanical gardens.
Reason $R$: Processes like grafting,tissue culture,hybridization,cloning,and the development of germplasm banks are carried out in botanical gardens.
Which option is correct for Assertion $A$ and Reason $R$?

Identify the incorrect pair:

Assertion $(S)$: Rare genes can be preserved in botanical gardens.
Reason $(R)$: Gene banks are developed in botanical gardens.
$(A)$ 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.

It is based on information like chromosome number,structure,and behaviour.

Under whose supervision do zoological parks operate?