Question
Which of the following statements is wrong for viroids?
They are smaller than viruses
They cause infections
Their RNA is of high molecular weight
They lack a protein coat
viroids are infectious agents discovered by T.O. Diener that are smaller than viruses and lack a protein coat. The text explicitly states, 'The RNA of the viroid was of low molecular weight.' Therefore, the statement claiming it is of high molecular weight is incorrect .
This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Biological Classification . Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Biological Classification Questions
Which, among the following, are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?
Select the wrong statement:
Given below is the diagram of a bacteriophage. In which one of the options, all the four parts A, B, C and D are correct?
Chrysophytes, euglenoids, dinoflagellates and slime moulds are included in the kingdom:
Cell wall is absent in:
Which one of the following sets of items are correctly categorised with one exception in it? | | Items | Category | Exception | | :--- | :--- | :--- | :--- | | (a) | Kangaroo, Koala, Wombat | Australian Marsupials | Wombat | | (b) | Plasmodium, Cuscuta, Trypanosoma | Protozoan parasites | Cuscuta | | (c) | Typhoid, Pneumonia, Diphtheria | Bacterial diseases | Diphtheria | | (d) | UAA, UAG, UGA | Stop codons | UAG |
Infectious proteins are present in:
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