Select the correct pair from the following:

$A$ virus is considered a living organism and an obligate parasite when inside a host cell. However,viruses are not classified along with bacteria or fungi. What are the characteristics of a virus that are similar to non-living objects?

Statement $X$: Lichens are composed of two main components. Statement $Y$: In lichens,the phycobiont is the heterotrophic component and the mycobiont is the autotrophic component.

Phages that show a lysogenic cycle are called:

Which of the following organisms contains only one type of genetic material,either $DNA$ or $RNA$?

Which pathogen is responsible for the Tobacco Mosaic Disease?