The genetic material of Tobacco Mosaic Virus $(TMV)$ is:

Which characteristic does a virus exhibit when it is inside a host cell?

Bovine spongiform encephalopathy disease is equal to:

What are the algal components of a lichen called?

Choose the correct option for the following statements:
$(i)$ The name virus,meaning venom or poisonous fluid,was given by $Pasteur / D. J. Ivanowsky$.
$(ii)$ $W. M. Stanley / T. O. Diener$ discovered viroids.

Which of the following is smaller than a virus?