Physical and Chemical Agents Which of the following is bactericidal? Membrane filtration Ionizing radiation Freeze-drying Deep freezing Membrane filtration Ionizing radiation Freeze-drying Deep freezing ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 1% 0.75% 0.5% 0.25% 1% 0.75% 0.5% 0.25% ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Spores Fungi All of these Bacteria Spores Fungi All of these Bacteria 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 none of these autoclaving tyndallization inspissation none of these autoclaving tyndallization inspissation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Glutaraldehyde Ethylene oxide Chlorine Ultraviolet radiation Glutaraldehyde Ethylene oxide Chlorine Ultraviolet radiation 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 refrigerator on an agar slant Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) ANSWER DOWNLOAD EXAMIANS APP
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