How are viroids different form viruses ?

Explanation

Viroids : These are the small infectious self replicating RNA particles lacking protein coat.
Viruses : Viruses are regarded as .living entities. since theyexhibit living charcter living character when they occur within a host cell as intracelluar parasites.
A typical virus consists of a central core of nucleic acid either DNA or RNA, surrounded by protective protein coat called capsid.