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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
Mesophile
Obligate Anaerobe

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Physical and Chemical Agents
Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?

None of these
Ethylene oxide
Halogens
Aldehydes

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Physical and Chemical Agents
The organisms retained in the fluids filtered by Seitz filter is

None of these
Proteus
Clostridium
Staphylococcus

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Physical and Chemical Agents
Which disinfectant was the most effective against Salmonella"?

Merthiolate
Phenol
Hexachlorophene
Cetylpyridinium chloride

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Physical and Chemical Agents
Bactericidal concentration of phenol is

0.75%
1%
0.5%
0.25%

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Physical and Chemical Agents
Iodophores are mixture of

iodine and alcohols
iodine and aldehydes
iodine and phenols
iodine and surface active agents

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