Which of the following provides an explanation of landscape gardening?

Which is the largest botanical garden in the world? Name a few well-known botanical gardens in India.

Which of the following places typically have more enriched and informative museums?

Where is the Herbarium of the Forest Research Institute $(FRI)$ located?

Assertion $(S)$: Zoological parks operate under the control of $CZA$ (Central Zoo Authority).
Reason $(R)$: Zoological parks are places where wild animals are kept in protected environments under human care.
$(A)$ 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.

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 $R$?