Tellurite stimulates growth of: (A) E. coil, (B) Cl. Tetani, (C) Corynebacterium diphtheriae, (D) Salmonella
Answer is C. Tellurite inhibits the growth of most other bacteria acting as a selective agent for diphtheria bacilli. Diphtheria bacilli reduce Tellurite to metallic tellurium which is incorporated in colonies giving them a grey or black colour. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 242