Where is the Indian Botanical Garden located?

Find the mismatched pair.

$A$ $Couplet$ represents the choice made between two opposite options,which results in:

Which types of plants are grown in botanical gardens?

Statement $P$: In botanical gardens,new species are developed through processes like grafting,tissue culture,cloning,and hybridization.
Statement $Q$: Botanical gardens provide necessary information regarding the identification of collected,authenticated,and newly discovered plant specimens.

How does a botanical garden differ from a public park or a public garden?