Which of the following represents the correct sequence for the collection of plant specimens?

Which system is used for the arrangement of herbarium sheets?

Where are the most enriched and informative museums located?

Which of the following statements are correct?
$I.$ The purpose of a museum is to preserve biological diversity and its cultural heritage.
$II.$ Museums contain collections of plants,animals,and fossil specimens.
$III.$ The stuffing method is important for the preservation of insects and other invertebrates.
$IV.$ Insects are preserved in insect boxes after removing their coelomic organs.
$V.$ Some museums have a system of museology.

Besides botanical drawings,photographs,and slides,what else is collected in a botanical museum?

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 $R$?