Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Ultraviolet radiation Ethylene oxide Chlorine Glutaraldehyde Ultraviolet radiation Ethylene oxide Chlorine Glutaraldehyde ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as inspissation autoclaving tyndallization none of these inspissation autoclaving tyndallization none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best used for long term storage of microbial samples when carried out properly? Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Deep freezing Ionizing radiation Freeze-drying Membrane filtration Deep freezing Ionizing radiation Freeze-drying Membrane filtration ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.75% 0.25% 0.5% 1% 0.75% 0.25% 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following does not kill endospores? Incineration Autoclave Hot air sterilization Pasteurization Incineration Autoclave Hot air sterilization Pasteurization ANSWER DOWNLOAD EXAMIANS APP
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