Physical and Chemical Agents The lowest temperature that kills all microorganisms in a liquid suspension in 10 minutes is known as the thermal death time thermal death point thermal death temperature decimal reduction time thermal death time thermal death point thermal death temperature decimal reduction time ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Ethyl alcohol Both (a) and (b) Isopropyl alcohol none of these Ethyl alcohol Both (a) and (b) Isopropyl alcohol none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is/are vapour-phase disinfectant/s? Both (a) and (b) None of these Ethylene oxide Formaldehyde Both (a) and (b) None of these Ethylene oxide Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which disinfectant would be most effective against Staphylococcus found in a blood spill? None of these Hexachlorophene Cetylpyridinium chloride Phenol None of these Hexachlorophene Cetylpyridinium chloride Phenol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by lowering osmotic pressure creating a hypertonic environment raising pH creating a hypotonic environment lowering osmotic pressure creating a hypertonic environment raising pH creating a hypotonic environment 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 -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage in a refrigerator on an agar slant Storage on a petri plate at room temperature ANSWER DOWNLOAD EXAMIANS APP
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