Difference between virus and viroid is

Biology Biological Classification NCERT Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

the absence of protein coat in viroid, but present in virus and

the presence of low molecular weight RNA in virus, but absent in viroid

Both

None of the above

Text Solution

Verified by Experts

The correct answer is:

The primary structural difference between a virus and a viroid lies in their composition:

• Viruses consist of genetic material (either DNA or RNA) enclosed within a protective protein shell called a capsid.

• Viroids are simpler infectious agents composed solely of a short, single-stranded circular RNA molecule and lack any protein coat.

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