NEETBotanyBiological Classification

What is the molecular weight of the RNA in viroids (as compared to that of virus)?

Options

AHigh
BLow
CMedium
DNot specified

Correct answer

B. Low

Step-by-step solution

In 1971, T.O. Diener discovered a new infectious agent that was smaller than viruses and caused potato spindle tuber disease. It was found to be a free RNA; it lacked the protein coat that is found in viruses, hence the name viroid. The RNA of the viroid was of low molecular weight.

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