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Physical and Chemical Agents

Physical and Chemical Agents
Microbes can be removed from a liquid solution by the process of

osmosis
desiccation
filtration
freeze-drying

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Physical and Chemical Agents
Which of the following does not kill endospores?

Incineration
Pasteurization
Hot air sterilization
Autoclave

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Physical and Chemical Agents
Bactericidal concentration of phenol is

1%
0.5%
0.25%
0.75%

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Physical and Chemical Agents
Which of the following is sterilized with the help of glutaraldehyde?

All of these
Cystoscopes
Thermometers
Bronchoscopes

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Physical and Chemical Agents
Media containing spores and thermolabile constituents are sterilized by

pasteurization
tyndalization
UV radiation
dry heat

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Physical and Chemical Agents
Which of the following skin disinfectant(s) is/are most frequently used?

Ethyl alcohol
Both (a) and (b)
Isopropyl alcohol
none of these

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