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 describes the effect of ionizing radiation on microbes? None of these Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction None of these Induces electrons and protons to jump out of the molecules of the microbe Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Substantially decreases enzymatic activity, slowing microbial reproduction ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food? Acidophile Obligate Anaerobe Obligate Aerobe Mesophile Acidophile Obligate Anaerobe Obligate Aerobe Mesophile ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Freeze-drying Deep freezing Membrane filtration Ionizing radiation Freeze-drying Deep freezing Membrane filtration Ionizing radiation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which is the most important surface active disinfectants? Cationic compounds Amphoteric compounds Anionic compounds Non-ionic compounds Cationic compounds Amphoteric compounds Anionic compounds Non-ionic compounds ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is most effective for sterilizing mattresses and plastic petri plates? Chlorine Ethylene oxide Glutaraldehyde Ultraviolet radiation Chlorine Ethylene oxide Glutaraldehyde Ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
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