Physical and Chemical Agents Which of the following disinfectants act by disrupting microbial membranes? Cationic detergents Heavy metals Aldehydes Halogens Cationic detergents Heavy metals Aldehydes Halogens ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by raising pH creating a hypertonic environment lowering osmotic pressure creating a hypotonic environment raising pH creating a hypertonic environment lowering osmotic pressure creating a hypotonic environment ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The time required to kill 90% of the microorganisms in a sample at a specific temperature is the F value D value decimal reduction time thermal death point F value D value decimal reduction time thermal death point ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have low pH high concentration of solutes toxic alkaline chemicals insufficient nutrients low pH high concentration of solutes toxic alkaline chemicals insufficient nutrients ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is/are vapour-phase disinfectant/s? Ethylene oxide Formaldehyde None of these Both (a) and (b) Ethylene oxide Formaldehyde None of these Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following does not kill endospores? Incineration Pasteurization Hot air sterilization Autoclave Incineration Pasteurization Hot air sterilization Autoclave ANSWER DOWNLOAD EXAMIANS APP
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