Difference between virus and viroid is -

Biology Biological Classification All Topic Question For Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Absence of protein coat in viroid but present in virus and

Presence of low molecular weight RNA in virus but absent in viroid

Both

None of the above

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The correct answer is:

Viruses: Consist of genetic material (either DNA or RNA) enclosed in a protective protein coat known as a capsid.

Viroids: These are infectious agents that are smaller than viruses. They consist solely of a short strand of free, circular RNA and completely lack a protein coat.

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