Exercise: Fruits And Vegetables

Questions for: Fruits And Vegetables

The micro-organism which is present in both fresh and frozen juices is
A:
E. coli
B:
Entereobacter aerogenes
C:
P. chrysogenum
D:
None of these
Answer: B
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Saprophytic bacteria cause
A:
sliminess or souring in piled, wet and heating vegetables
B:
brown rot in vegetables
C:
black rot in fruits
D:
bacterial soft rot
Answer: A
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Bacterial soft rot is caused due to
A:
fermentation of pectin
B:
fermentation of sugars
C:
formation of ketones
D:
formation of amino acids
Answer: A
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Under what conditions food poisoning bacteria may grow and produce toxins in vegetables?
A:
When thawed vegetables are held at refrigerated temperature for any considerable period
B:
When thawed vegetables are held at room temperature for any considerable period
C:
When thawed vegetables are held below refrigerated temperature for any considerable period
D:
None of the above
Answer: B
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Species of __________ are predominant on thawing vegetables like sweet corn and peas when the temperature of thawing is fairly low.
A:
Streptococcus
B:
Micrococcus
C:
both (a) and (b)
D:
none of these
Answer: B
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