Q. Which of the following is most effective for sterilizing mattresses and plastic petri plates?

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Q. Which of the following skin disinfectant(s) is/are most frequently used?

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Q. All of the following are sporicidal except

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Q. Which of the following describes the effect of ionizing radiation on microbes?

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Q. The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as

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Q. Media containing spores and thermolabile constituents are sterilized by

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Q. A(n)____is used to prevent infection by killing or inhibiting pathogen growth on animal tissues.

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Q. One drawback to the use of ultraviolet light as a sterilizing agent is its

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Q. Ethylene oxide is used to destroy or kill which of the following microbes?

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Q. Which of the following was the first widely used antiseptic and disinfectant?

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Q. 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?

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Q. Microbes can be removed from a liquid solution by the process of

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Q. Which of the following is bactericidal?

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Q. Which of the following process can be efficiently carried out by incineration?

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Q. The organisms retained in the fluids filtered by Seitz filter is

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Q. Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?

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Q. For sterilization of which material gamma rays can be used?

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Q. Which of the following is sterilized with the help of glutaraldehyde?

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Q. The time in minutes at a specific temperature needed to kill a population of cells is the

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Q. Which of the following is a limitation of the autoclave?

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