Physical and Chemical Agents Ethylene oxide is used to destroy or kill which of the following microbes? Bacteria Fungi All of these Spores Bacteria Fungi All of these Spores ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following was the first widely used antiseptic and disinfectant? Chlorine Phenol Iodine Alcohol Chlorine Phenol Iodine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which of the following tests is designed to simulate the natural conditions under which the disinfectants are used in hospitals? Phenol coefficient test Capacity test None of these Minimum inhibitory concentration test Phenol coefficient test Capacity test None of these Minimum inhibitory concentration test 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 freezer at -10°C Storage in a refrigerator on an agar slant Storage in a freezer at ultra low temperatures (-70°C) Storage on a petri plate at room temperature Storage in a freezer at -10°C Storage in a refrigerator on an agar slant 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 Preservation of foods by using salts and sugars works by creating a hypotonic environment raising pH lowering osmotic pressure creating a hypertonic environment creating a hypotonic environment raising pH lowering osmotic pressure creating a hypertonic environment ANSWER DOWNLOAD EXAMIANS APP
Physical and Chemical Agents Which is the most important surface active disinfectants? Amphoteric compounds Cationic compounds Anionic compounds Non-ionic compounds Amphoteric compounds Cationic compounds Anionic compounds Non-ionic compounds ANSWER DOWNLOAD EXAMIANS APP
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