Physical and Chemical Agents Media containing spores and thermolabile constituents are sterilized by tyndalization pasteurization dry heat UV radiation tyndalization pasteurization dry heat UV radiation 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-glass syringes Oils and jellies All of these Swab sticks All-glass syringes Oils and jellies All of these Swab sticks 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 on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound? 10 5 50 1 10 5 50 1 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following substances can sterilize? Alcohol Chlorine Ethylene oxide Cetylpyridinium chloride Alcohol Chlorine Ethylene oxide Cetylpyridinium chloride ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.5% 0.75% 0.25% 1% 0.5% 0.75% 0.25% 1% ANSWER DOWNLOAD EXAMIANS APP
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