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Contagium vivum fluidum was proposed by (a) D. J. Ivanowsky (b) M. W. Beijerinck (c) Stanley (d) Robert Hooke

Contagium vivum fluidum was proposed by
(a) D. J. Ivanowsky (b) M. W. Beijerinck
(c) Stanley (d) Robert Hooke

Grade:10

1 Answers

Gaurav Yadav
406 Points
one year ago
Hey student.
 
(b) D.J. Ivanowsky (1892) discovered the virus and has recognised certain microbes as causal organism of the mosaic disease of tobacco. M.W. Beijerinck (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) first time showed that viruses could be crystallised and crystals consist largely of proteins.
 
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