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 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 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 Oils and jellies Swab sticks All-glass syringes All of these Oils and jellies Swab sticks All-glass syringes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by creating a hypertonic environment raising pH lowering osmotic pressure creating a hypotonic environment creating a hypertonic environment raising pH lowering osmotic pressure creating a hypotonic environment ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is/are vapour-phase disinfectant/s? None of these Both (a) and (b) Formaldehyde Ethylene oxide None of these Both (a) and (b) Formaldehyde Ethylene oxide ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is sterilized with the help of glutaraldehyde? All of these Thermometers Bronchoscopes Cystoscopes All of these Thermometers Bronchoscopes Cystoscopes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Microbes can be removed from a liquid solution by the process of freeze-drying osmosis filtration desiccation freeze-drying osmosis filtration desiccation ANSWER DOWNLOAD EXAMIANS APP
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