Which of the following causes the potato spindle tuber disease?
- AFungi
- BViruses
- CViroids
- DLichens
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Reason : $TMV$ has $RNA$ as genetic material.
Reason : $TMV$ has $RNA$ as genetic material.
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$(ii)$ $W. M. Stanley / T. O. Diener$ discovered viroids.
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View SolutionWhich of the following statements is true for viruses?
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