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 on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature Storage in a freezer at ultra low temperatures (-70°C) 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 tyndallization autoclaving none of these inspissation tyndallization autoclaving none of these inspissation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Milk is pasteurized in batch method by keeping it at 73°C for 30 minutes 72°C for 6 minutes 72°C for 60 seconds 63°C for 30 minutes 73°C for 30 minutes 72°C for 6 minutes 72°C for 60 seconds 63°C for 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents For sterilization of which material gamma rays can be used? Plastic syringes None of these Canulas Catheters Plastic syringes None of these Canulas Catheters ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents One drawback to the use of ultraviolet light as a sterilizing agent is its failure to kill microbes located in the center of an object failure to kill bacteria failure to bacterial spores failure to kill microbes in a closed environment failure to kill microbes located in the center of an object failure to kill bacteria failure to bacterial spores failure to kill microbes in a closed environment ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Freeze-drying Membrane filtration Ionizing radiation Deep freezing Freeze-drying Membrane filtration Ionizing radiation Deep freezing ANSWER DOWNLOAD EXAMIANS APP
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