Viruses behave as non-living entities because outside a host cell they:

Absence of respiration is what type of character of a virus?

An extreme example of latency in which $DNA$ of the phage is integrated with the $DNA$ of the host cell chromosome is:

Which of the following is an incorrect pair?

Which pathogen is responsible for the potato spindle tuber disease?

$A$: Viruses are considered as a link between living and non-living organisms.
$R$: Viruses behave as inert,non-living particles in a free state,while they exhibit active,living behavior inside a host cell.