Lichens, viruses and viroids
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See all →- Which of the following is correct about viroids ? Answer: 2. They have free RNA without protein coat. Viroids are free RNA molecules without a protein coat, and are smaller than viruses. The... 1
- Which of the following statements is incorrect ? Answer: 3. Infective constituent in viruses is the protein coat. Key idea: In viruses, the infective part is the nucleic acid (genome), not... 1
- Viroids differ from viruses in having : Answer: 3. RNA molecules without protein coat Viroids are smaller than viruses: they are infectious RNA molecules and have no protein coat.... 1
- Which of the following statements is wrong for viroids ? Answer: 4. Their RNA is of high molecular weight Key idea: Viroids are infectious agents made only of a small, free RNA with no protein coat... 1