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Which among the following is odd?(a) Mumps(b) Small pox(c) Influenza(d) Potato spindle tuber diseaseThe question was asked in homework.The doubt is from Biological Classification in chapter Biological Classification of Biology – Class 11

Answer»

Correct choice is (d) Potato SPINDLE tuber DISEASE

Easy explanation: Mumps, small pox, HERPES and influenza are caused due to viruses. Whereas, T.O.Diener in 1971 discovered that potato spindle tuber disease is caused by set of pathogens that are similar to viruses and named them as VIROIDS.



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