Topic: Lichens, viruses and viroids· Diversity in Living World

Viroids differ from viruses in having :

1. DNA molecules without protein coat

2. RNA molecules with protein coat

3. RNA molecules without protein coat

4. DNA molecules with protein coat

Doubtly Asked 30 Oct 2026 NEET UG 2017 Practice test neet Save WhatsApp Report

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Answer: 3. RNA molecules without protein coat

Viroids are smaller than viruses: they are infectious RNA molecules and have no protein coat.

Viruses have a protein coat (capsid) around their genetic material, which may be DNA or RNA. So the difference is "RNA without a protein coat". Options 1 and 4 wrongly say DNA, and options 2 and 4 wrongly give a coat.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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Viroids differ from viruses in having :

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