Correct option is C
· A. M.W. Beijerinck: He confirmed the finding of the first virus ( Tobacco Mosaic Virus).
· B. Antonyvan Leeuwenhoek: He was the first to observe microorganisms using a microscope.
· C. Robert Koch: Known for Koch's postulates, a series of principles linking specific microorganisms to specific diseases.
· D. T.J. Burrill: He discovered bacterial diseases of plants, marking significant progress in plant pathology.
Correct Match: A-III, B-I, C-IV, D-II