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Microbiology

Microbiology
Primarily human pathogenic bacteria is/are ,

S paratyphi A
all of these
Salmonella typhi
S paratyphi B

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Microbiology
Spirochaetes exhibit

corkscrew-like rotatory movement
flexion and extension motility
All of these
translatory motion

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Microbiology
The milk streptococci produce acetoin that gets spontaneously oxidized yielding a flavorings agent (responsible for aroma of butter) that is

acetone
butyric acid
diacetyl
acetyl coA

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Microbiology
Salmonellois is caused by the

enterotoxin of Salmonella spp
endotoxin of Salmonella spp
neurotoxin of Salmonella spp
exoenterotoxin of Salmonella spp

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Microbiology
Which of the following is a gram-positive bacteria?

Streptococci
Lactobacillus
Staphylococci
All of these

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Microbiology
Abnormal fermentation of cabbage may result in a cheese like odour caused by

all of these
butyric acid
caprioc acid and Valeric acid
propionic acid

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MORE MCQ ON Microbiology

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