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BIOLOGY CH22 World of Microbes — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceBIOLOGY CH22 World of Microbes2 Marks
Question
Distinguish between Virion and Viroid.
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Answer

Sr. No. Virion  Viroid 
1. Virion is a simple virus particle and can grow and multiply in living cells only Viroid is a free pathogenic RNA of virus.
2. They are the smallest infecting agents and can live on plants, animals, human beings and bacteria They are found in plant cells and causes diseases only in plants.

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