Shellac is used in

Statement (S) : Bird flu is an important disease affecting poultry birds.

Reason (R): The disease is caused by ${\mathrm{H}}_1{\mathrm{N}}_1$ virus.

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 $100\}$