Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Autoclave Pasteurization Dry heat Membrane filtration Autoclave Pasteurization Dry heat Membrane filtration ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time in minutes at a specific temperature needed to kill a population of cells is the decimal reduction time thermal death point thermal death temperature F value decimal reduction time thermal death point thermal death temperature F value ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following methods will not sterilize? 100°C boiling water for 30 minutes Dry heat at 171°C for 1 to 2 hours 121°C at 15 lb/in pressure for 15 to 20 minutes Aqueous glutaraldehyde for 10 hours 100°C boiling water for 30 minutes Dry heat at 171°C for 1 to 2 hours 121°C at 15 lb/in pressure for 15 to 20 minutes Aqueous glutaraldehyde for 10 hours ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Spores All of these Fungi Bacteria Spores All of these Fungi Bacteria 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 ultra low temperatures (-70°C) Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage in a freezer at -10°C Storage on a petri plate at room temperature Storage in a refrigerator on an agar slant ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Milk is pasteurized in batch method by keeping it at 72°C for 6 minutes 73°C for 30 minutes 72°C for 60 seconds 63°C for 30 minutes 72°C for 6 minutes 73°C for 30 minutes 72°C for 60 seconds 63°C for 30 minutes ANSWER DOWNLOAD EXAMIANS APP
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