Which of the following chemicals is used for poisoning the specimens in herbarium technique?

Which of the following information is $NOT$ present on a herbarium sheet?

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.

Which of the following can be visited to study taxonomy?

What can be obtained through research in botanical gardens?

What is the main component found in the major botanical gardens of the world?