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Biological Classification question

2016 · Q24
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Biological Classification question

2016 · Q24

NEETBiologyBiological ClassificationMCQ+4 / −1
Which of the following statements is wrong for viroids?
  1. A
    They cause infections.
  2. B
    Their RNA is of high molecular weight.
  3. C
    They lack a protein coat.
  4. D
    They are smaller than viruses.
View written solutionFree

Correct answer: B

Viroids, the smallest known pathogens, are naked, circular, single-stranded RNA molecules that do not encode protein but autonomously replicate when introduced into host plants.

Viroids only infect plants; some cause economically important diseases of crop plants, while others appear to be benign.

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