Which of the following taxonomic aids is used exclusively for animals?

How are insects preserved in a museum?

Out of the four statements $(1-4)$ given below,which two statements are correct regarding botanical gardens?
$(1)$ $A$ collection of plant specimens collected from various places.
$(2)$ Information for the identification of newly discovered plant specimens can be obtained.
$(3)$ $A$ planned collection of living plants for scientific purposes.
$(4)$ For the purpose of identification of various plant species.

Which of the following is a relevant function of a botanical garden?

Which place is known for having a very rich museum?

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