Which pathogen is responsible for the potato spindle tuber disease?

  • A
    Virus
  • B
    Bacteria
  • C
    Viroids
  • D
    Protozoa

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Similar Questions

The capsid of tobacco mosaic virus $(TMV)$ has capsomers numbering:

Match the items in Column-$I$ with those in Column-$II$ and select the correct option.
Column-$I$Column-$II$
$(A)$ Tobacco Mosaic Virus$(p)$ Human
$(B)$ Potato Leaf Roll$(q)$ Bacteriophage
$(C)$ Mumps$(r)$ Plant Virus
$(D)$ Bacteriophage$(s)$ Tobacco
$(E)$ Polio Virus$(t)$ Potato
$(u)$ Animal Virus

Assertion : $TMV$ is a virus which causes mosaic disease.
Reason : $TMV$ has $RNA$ as genetic material.

What is a phycobiont?

Which infectious agents are smaller than viruses?

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