Human Health and Diseases Question 9
9. Select the wrong statements :
[2015 RS]
(a) W.M. Stanley showed that viruses could be crystallized
(b) The term ‘contagium vivum fluidum’ was coined by M.W. Bejerinek
(c) Mosaic disease in tobacco and AIDS in human being are caused by viruses
(d) The viroids were dicovered by D.J. Ivanowski
Show Answer
Answer : d
Hints & Solutions
(d) T.O. Dinear (1971) discovered the viroids which are smaller than viruses.