NTA Abhyas NEET2020BotanyBiological ClassificationPractice
The virologist _______ showed that the viruses could be crystallized.
Options
- AW. M. Stanley
- BT.O. Diener
- CM.W. Beijerinek
- DD.J. Ivanowsky
Correct answer
A. W. M. Stanley
Step-by-step solution
Wendell Meredith Stanley, an American virologist studied the tobacco mosaic virus, which affects the tobacco leaves. He experimented by using the infected tobacco leaves and was successful in extracting the virus in form of crystals. T.O. Diener -Viriods are nothing but free DNA. M.W. Beijerinek -Dutch microbiologist, 'Contagiumvivumfluidum' D.J. Ivanowsky - Coined the term 'virus'