The name 'virus' means venom or poisonous fluid. This name was given by:

Which of the following statements is false?

Which of the following represents the composition of a virus?

Which of the following statements is not correct for viruses?

Assertion $A$: Viroids and viruses can pass through bacteria-proof filters.
Reason $R$: Bacteria are retained by bacteria-proof filters.
Which option is correct for Assertion $A$ and Reason $R$?

The phage virus which has $RNA$ as genetic material is