First slide

Viruses, Viroids,Prions and Lichens

Question

Which one is not a disease caused by viruses?

Easy

A

Potato Spindle Tuber disease.
B

Leaf mosaic
C

Potato leaf rolling
D

Leaf curling in chillies

Solution

Potato spindle tuber disease is caused by prions but not viruses. Potato leaf roll, Chilli leaf curl and Leaf mosaic are caused by viruses.

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