Which information is not on a herbarium sheet?

Which method is used before drying for the preservation of plant specimens?

What is a monograph?

Which of the following statements are correct?
$I.$ Plants collected during field studies are pressed and dried on herbarium sheets.
$II.$ The label on the right-hand side of the herbarium sheet contains the scientific name,family,and common name of the plant.
$III.$ Botanical gardens contain collections of plant specimens as well as illustrations,slides,maps,and photographs.
$IV.$ Living plants can be observed and identified in botanical gardens.

Match the following columns:

Column-$I$ (Botanical Gardens)	Column-$II$ (Location)
$P$. Kew Garden	$I$. England
$Q$. Indian Botanical Garden	$II$. Howrah-India
$R$. National Botanical Research Institute	$III$. Lucknow-India

How are the specimens of birds and mammals preserved in museums?