Physical and Chemical Agents Which of the following is best to sterilize heat labile solutions? Pasteurization Dry heat Membrane filtration Autoclave Pasteurization Dry heat Membrane filtration Autoclave ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10 minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in the same time, what is the phenol coefficient of the test compound? 10 5 50 1 10 5 50 1 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents The organisms retained in the fluids filtered by Seitz filter is Clostridium None of these Staphylococcus Proteus Clostridium None of these Staphylococcus Proteus ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Preservation of foods by using salts and sugars works by lowering osmotic pressure creating a hypotonic environment creating a hypertonic environment raising pH lowering osmotic pressure creating a hypotonic environment creating a hypertonic environment raising pH ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Iodophores are mixture of iodine and phenols iodine and aldehydes iodine and alcohols iodine and surface active agents iodine and phenols iodine and aldehydes iodine and alcohols iodine and surface active agents ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following has most heat resistant spores? Bacillus cereus Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum Bacillus cereus Bacillus stearothermophilus Clostridium perfringens Clostridium histolyticum ANSWER DOWNLOAD EXAMIANS APP
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