Thermatomyces is used in?: (A) Sterilization standardization, (B) Gram staining, (C) Selective media preparation, (D) Antibiotic sensitivity
Answer is A. Ans. a (Sterilization standardization). (Ref. Ananthnarayan, Microbiology, 4th ed., 26, 29)# For determining the efficiency of moist-heat sterilization = Spores of bacillus stearothermophilus.# For determining the efficiency of dry-heat sterilization = Spores of non-toxigenic strains of C.tetani.