NTA Abhyas NEET2020BotanyBiological ClassificationPractice
Which one of the following is an INCORRECT pair?
Options
- ALouis Pasteur - Coined the term 'virus'
- BBeijerinck - contagium vivum fluidum
- CIvanowsky - Studied mosaic disease of tobacco.
- DStanley - Crystallised TMV
Correct answer
A. Louis Pasteur - Coined the term 'virus'
Step-by-step solution
The name virus that means venom or poisonous fluid was given by Dmitri Ivanowsky (1892) recognised certain microbes as causal organism of the mosaic disease of tobacco. These were found to be smaller than bacteria because they passed through bacteria-proof filters. M.W. Beijerinek (1898) demonstrated that the extract of the infected plants of tobacco could cause infection in healthy plants and called the fluid as Contagium vivum fluidum (infectious living fluid). W.M. Stanley (1935) showed that viruses could be cry