Physical and Chemical Agents Which of the following describes the effect of ionizing radiation on microbes? Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form Induces electrons and protons to jump out of the molecules of the microbe Substantially decreases enzymatic activity, slowing microbial reproduction None of these Changes the 3-dimensional structure of proteins to a 2-dimen-sional form ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as autoclaving inspissation none of these tyndallization autoclaving inspissation none of these tyndallization ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Milk is pasteurized in batch method by keeping it at 63°C for 30 minutes 73°C for 30 minutes 72°C for 60 seconds 72°C for 6 minutes 63°C for 30 minutes 73°C for 30 minutes 72°C for 60 seconds 72°C for 6 minutes ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Iodophores are mixture of iodine and alcohols iodine and surface active agents iodine and aldehydes iodine and phenols iodine and alcohols iodine and surface active agents iodine and aldehydes iodine and phenols ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is/are vapour-phase disinfectant/s? Both (a) and (b) Formaldehyde None of these Ethylene oxide Both (a) and (b) Formaldehyde None of these Ethylene oxide 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? Obligate Aerobe Acidophile Obligate Anaerobe Mesophile Obligate Aerobe Acidophile Obligate Anaerobe Mesophile ANSWER DOWNLOAD EXAMIANS APP
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