$A$ storehouse of collected plant specimens that are dried,pressed,and preserved on sheets is known as .......

Assertion $(A)$: Botanical gardens and zoological parks are $ex-situ$ conservation approaches.
Reason $(R)$: Botanical gardens and zoological parks are located within museums.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

Which of the following statements is inconsistent with a botanical garden?

Which of the following taxonomic aid provides information for the identification of names of species found in an area?

Which tools are necessary to carry during field studies in the taxonomy of living organisms?

The keys are based on contrasting characters generally in a pair called