Select the wrong statement.

MCQ

A
The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck.
B
Mosaic disease in tobacco and $AIDS$ in human being are caused by viruses.
✓
The viroids were discovered by D.J. Ivanowsky.
D
W.M. Stanley showed that viruses could be crystallised.

✓

Answer

Correct option: C.

The viroids were discovered by D.J. Ivanowsky.

c
(c) : Viroids are infectious $RNA$ particles which were discovered by T.O. Diener $(1971)$. These are devoid of protein coat and cause diseases in plants only, e.g., potato spindle tuber, chrysanthemum stunt etc.

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