Physical and Chemical Agents Which of the following is best used for long term storage of microbial samples when carried out properly? 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) Storage in a freezer at -10°C Storage in a refrigerator on an agar slant ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have insufficient nutrients high concentration of solutes low pH toxic alkaline chemicals insufficient nutrients high concentration of solutes low pH toxic alkaline chemicals ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Microbes can be removed from a liquid solution by the process of desiccation filtration freeze-drying osmosis desiccation filtration freeze-drying osmosis ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour? All of these Swab sticks All-glass syringes Oils and jellies All of these Swab sticks All-glass syringes Oils and jellies ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following articles can be sterilized in an autoclave? Culture media All of these Dressing material Gloves Culture media All of these Dressing material Gloves ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Halogens Heavy metals Cationic detergents Aldehydes Halogens Heavy metals Cationic detergents Aldehydes ANSWER DOWNLOAD EXAMIANS APP
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