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Byju's Answer
Standard XII
Biology
Genetic Material
Select the st...
Question

Select the statement which is correct about viroids.

A
They were discovered by Karshan in 1966
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B
They range in size from 266−450 nucleotides
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C
The genome of viroids is larger than viruses
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D
They show a lot of sequence homology
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Solution

The correct option is A They range in size from 266−450 nucleotides
Viroids were discovered by Diener in 1971. The genome of viruses is larger than the viroid genome. They do not show a lot of sequence homology.
So, the correct answer is 'They range in size from 266-450 nucleotides.

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