Answer
Check below for the matching
Work Step by Step
I. Metchnikoff --> C. Immunology --> (c) Cellular immunity (phagocytes)
II. Beijerinck --> A. Virology --> (d) Infectious filtrates contain viruses
III. McClintock --> D. Genetics --> (a) Mobile (“jumping” ) genes
IV. Ehrlich --> B. Chemotherapy --> (b) Salvarsan against syphilis