Physical and Chemical Agents Which of the following is bactericidal? Deep freezing Ionizing radiation Membrane filtration Freeze-drying Deep freezing Ionizing radiation Membrane filtration Freeze-drying ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Clostridium perfringens Bacillus cereus Clostridium histolyticum Bacillus stearothermophilus Clostridium perfringens Bacillus cereus Clostridium histolyticum Bacillus stearothermophilus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction Changes the 3-dimensional structure of proteins to a 2-dimen-sional form None of these Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following skin disinfectant(s) is/are most frequently used? Both (a) and (b) Ethyl alcohol Isopropyl alcohol none of these Both (a) and (b) Ethyl alcohol Isopropyl alcohol none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Microbes can be removed from a liquid solution by the process of osmosis freeze-drying filtration desiccation osmosis freeze-drying filtration desiccation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Bactericidal concentration of phenol is 0.25% 0.5% 1% 0.75% 0.25% 0.5% 1% 0.75% ANSWER DOWNLOAD EXAMIANS APP
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