Species of __________ are predominant on thawing vegetables like sweet corn and

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Home ‣ Microbiology ‣ Fruits and Vegetables Comments

Question
Species of __________ are predominant on thawing vegetables like sweet corn and peas when the temperature of thawing is fairly low.
Options
A. Streptococcus
B. Micrococcus
C. both (a) and (b)
D. none of these

Correct Answer

Micrococcus

Fruits and Vegetables problems

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1. Watery soft rot is found mostly in
Options
A. fruits
B. vegetables
C. cereals
D. all of these

Discuss

Correct Answer: vegetables

2. Saprophytic bacteria cause
Options
A. sliminess or souring in piled, wet and heating vegetables
B. brown rot in vegetables
C. black rot in fruits
D. bacterial soft rot

Discuss

Correct Answer: sliminess or souring in piled, wet and heating vegetables

3. Bacterial soft rot is caused due to
Options
A. fermentation of pectin
B. fermentation of sugars
C. formation of ketones
D. formation of amino acids

Discuss

Correct Answer: fermentation of pectin

4. Stem and rots caused by species of molds involve
Options
A. leaves of fruits
B. stem ends of fruits
C. spotting on vegetables
D. spotting on fruits

Discuss

Correct Answer: stem ends of fruits

5. Anthracnose is a defect which can be observed as
Options
A. spotting of leaves
B. spotting of seedpods
C. spotting of fruits
D. all of these

Discuss

Correct Answer: all of these

6. The micro-organism which is present in both fresh and frozen juices is
Options
A. E. coli
B. Entereobacter aerogenes
C. P. chrysogenum
D. None of these

Discuss

Correct Answer: Entereobacter aerogenes

7. Black mold rot is caused by
Options
A. A.flavus
B. A. niger
C. Trichoderma
D. Trichothecium roseum

Discuss

Correct Answer: A. niger

8. An alkaline reaction in milk is caused by the alkali formers bacteria as
Options
A. Pseudomonas fluorescens
B. A. viscolactis
C. both (a) and (b)
D. none of these

Discuss

Correct Answer: both (a) and (b)

9. Pseudomonas nigrifaciens in mildly salted butter may cause
Options
A. black smudge
B. greenish areas
C. pink color
D. none of these

Discuss

Correct Answer: black smudge

10. A yellow color in the creamy layer of milk may be caused by
Options
A. Pseudomonas synxantha
B. Pseudomonas syncyanea
C. both (a) and (b)
D. S. marcescens

Discuss

Correct Answer: Pseudomonas synxantha

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Species of __________ are predominant on thawing vegetables like sweet corn and peas when the temperature of thawing is fairly low.

Fruits and Vegetables problems

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