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Physical and Chemical Agents

Physical and Chemical Agents
If a canning procedure is not properly followed, which type of microbe is most likely to grow in the canned food?

Obligate Aerobe
Acidophile
Obligate Anaerobe
Mesophile

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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 was the first widely used antiseptic and disinfectant?

Alcohol
Chlorine
Iodine
Phenol

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Physical and Chemical Agents
Steam exposure of a material at 100°C for 20 minutes for three consecutive days is known as

autoclaving
none of these
inspissation
tyndallization

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Physical and Chemical Agents
Complete destruction of the microorganisms is commonly known as

none of these
antisepsis
sterilization
disinfection

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Physical and Chemical Agents
Which of the following items could be sterilized by dry heat sterilization?

rubber gloves
Plastic IV bags
Glass pipettes
Intravenous (IV) solution

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