Physical and Chemical Agents Preservation of foods by using salts and sugars works by lowering osmotic pressure creating a hypertonic environment creating a hypotonic environment raising pH lowering osmotic pressure creating a hypertonic environment creating a hypotonic environment raising pH 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? 1 10 50 5 1 10 50 5 ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Complete destruction of the microorganisms is commonly known as sterilization disinfection antisepsis none of these sterilization disinfection antisepsis none of these ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is best used for long term storage of microbial samples when carried out properly? Storage in a refrigerator on an agar slant Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a refrigerator on an agar slant Storage in a freezer at -10°C Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following is sterilized with the help of glutaraldehyde? Bronchoscopes All of these Cystoscopes Thermometers Bronchoscopes All of these Cystoscopes Thermometers ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following process can be efficiently carried out by incineration? Destruction of contaminated materials Sterilization of all glass syringes Sterilization of points of forceps Sterilization of scalpel blades and needles Destruction of contaminated materials Sterilization of all glass syringes Sterilization of points of forceps Sterilization of scalpel blades and needles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS