Physical and Chemical Agents Questions

• Which of the following process can be efficiently carried out by incineration?
• Which of the following substances can sterilize?
• Preservation of foods by using salts and sugars works by
• Which of the following has most heat resistant spores?
• The time required to kill 90% of the microorganisms in a sample at a specific temperature is the
• Which of the following items could be sterilized by dry heat sterilization?
• Microbes can be removed from a liquid solution by the process of
• The time in minutes at a specific temperature needed to kill a population of cells is the
• Milk is pasteurized in batch method by keeping it at
• Which of the following does not kill endospores?
• Iodophores are mixture of
• All of the following are sporicidal except
• Complete destruction of the microorganisms is commonly known as
• Which of the following is best used for long term storage of microbial samples when carried out properly?
• Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?
• If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?
• Which of the following disinfectants act by disrupting microbial membranes?
• Which of the following skin disinfectant(s) is/are most frequently used?
• Which of the following methods will not sterilize?
• Which of the following articles can be sterilized in an autoclave?