Question

Select the wrong statement.

(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.

(c) The viroids were discovered by D.J. Ivanowsky.

(d) W.M. Stanley showed that viruses could be crystallised.

Answer 1

Answer (c) The viroids were discovered by D.J. Ivanowasky.

Solution: The viroids wore discovered by T.O. Diener in 1971.