Which of the following information is recorded on the herbarium sheet label for a specimen?

The process of spraying a specific chemical on pressed and dried specimens is known as ........

$S$ Statement: In herbaria,plant specimens are preserved using specific methods.
$R$ Reason: $A$ herbarium is a storehouse of plant specimens collected from various locations.
$(a)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.

Where is the botanical museum named 'Herbarium Department of Botany' located?

The primary source for the study of taxonomy is:

Which areas on Earth are considered 'open books' for gaining knowledge about the classification of living organisms?