Where are biological museums generally set up?

Which of the following is a method of preservation?

Which of the following is a well-known herbarium located in Vadodara,Gujarat?

Where is the $Zoological$ $Survey$ $of$ $India$ $(ZSI)$ located?

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.

Which institution typically maintains a museum?