Viruses were discovered by
D.J. Ivanowsky
Pasteur. L
Stanley W.M
M. W. Beijerinek
D.J.Ivanowskyin 1892 first discovered viruses by using filters.
Question 7
Contagium vivum fluidum was proposed by
(a) DJ Ivanowsky (b) MW Beijernek
(c)Stanley (d) Robert Hook
Pasteurization was discovered by _____.