Question

108. Who demonstrated that the extract of infected
plants of tobacco could cause infection in healthy
plants and called this fluid as 'Contagium vivum
fluidum'?
(1) W.M. Stanley
(2) D. J. Ivanowsky
(3) M. W. Beijerinck
(4) Pasteur​

Answer 1

Answer:

2 d.j ivanowsky demonstrated