NEET Botany Biological Classification Questions Solved

NEET - 2016

Which of the following statements is wrong for viroids?

(1) They are smaller than viruses

(2) They cause infections

(3) Their RNA is of high molecular weight

(4) They lack a protein coat

Audio Explanation:


(3) Viroids are infectious, non-protein-coding, highly structured with samll circular RNA's, which have the ability ot replicate autonomously. These contain RNA of low molecular weight and induce diseases in higher plants.

 

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