Question

define viroids
only for class 11​

Answer 1

they are single celled standard next RNA particle that cause disease in plant. Viroids are the smallest infectious agents. the first viriods caused diseases studies as potato spindle tuber disease. it was discovered by Martin in 1922 but its causative agent could not be discovered. till today why rights are known to cause some 20 disease in plant and infection in animal and human is unknown

Answer 2

CBSE Class 11. biology. prasanna 2016-07-17 15:51:48 UTC #1. Viroids are infectious agents of plants which are similar to virus but consists of only a short single stranded RNA. They are smaller than viruses and lack protein coat.

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