NEET 2016 Biology question

Which of the following statements is wrong for viroids?

(1)They lack a protein coat
(2)They are smaller than viruses
(3)They cause infections
(4)Their RNA is of high molecular weightCorrect

Answer: (4)

Solution

Viroids (discovered by T.O. Diener) are infectious agents consisting only of free RNA without a protein coat; the RNA is of low molecular weight. They are smaller than viruses and cause

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Question ID VK-091928