What is the primary importance of museums in the context of biological studies?

Study the following statements and select the correct description of botanical garden.
$(i)$ Plant species are grown for identification purposes.
$(ii)$ Labeling of each plant consists of its botanical name/scientific name and its family.
$(iii)$ Specimens are preserved in the jars and containers.
$(iv)$ It is a type of storehouse which contains dried,pressed and preserved plant specimens on sheets.

Which of the following is the primary source for the study of taxonomy?

In which place is the stuffing technique used?

Which institution typically maintains a museum?

Classification based on chromosome number is known as: