Any one selected biological group is described by (monograph/catalogue).

Assertion $\left(\mathrm{A}\right)$: Herbariums are plant repositories which are used as reference specimens. Recently these are digitalized for global use.

Reason $\left(\mathrm{R}\right):$ Herbarium helps in the classification of plants and gives complete description about the taxonomy.

The correct answer is:

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$