Which microbiologist first used the phrase ‘Contagium vivum fluidum’ to describe viruses?
A
W. M. Stanley
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B
M.W. Beijerinck
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C
Carolus Linnaeus
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D
D.J. Ivanowski
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Solution
The correct option is B M.W. Beijerinck M.W. Beijerinck used the term ‘Contagium vivum fluidum’ (infectious living fluid) to describe viruses. M.W. Beijerinck demonstrated that the extract from virus-infected tobacco plants when applied to healthy plants caused infection in healthy plants.
Tobacco mosaic virus was the first virus which was discovered by D.J. Ivanowski in 1892.
W.M. Stanley isolated the tobacco mosaic virus in crystalline form for the first time in 1935.
Carolus Linnaeus is called the father of taxonomy. He is known for developing binomial nomenclature for the naming of species.