Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as autoclaving tyndallization none of these inspissation autoclaving tyndallization none of these inspissation ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is bactericidal? Deep freezing Freeze-drying Ionizing radiation Membrane filtration Deep freezing Freeze-drying Ionizing radiation Membrane filtration ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following material is sterilized by use of red heat? Glass slides All-glass syringes Soiled dressings Inoculating wires and loops Glass slides All-glass syringes Soiled dressings Inoculating wires and loops ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Bacteria All of these Spores Fungi Bacteria All of these Spores Fungi 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 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 None of these Induces electrons and protons to jump out of the molecules of the microbe 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 Mesophile Obligate Anaerobe Obligate Aerobe Acidophile Mesophile Obligate Anaerobe Obligate Aerobe ANSWER DOWNLOAD EXAMIANS APP
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