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Microbiology

Microbiology
Primarily human pathogenic bacteria is/are ,

all of these
S paratyphi B
Salmonella typhi
S paratyphi A

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

All of these
Streptococci
Lactobacillus
Staphylococci

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Microbiology
Which of the following species/subspecies of Klebsiella produce indole?

K oxytoca
K pneumoniae subspecies aerogenes
K pneumoniae subspecies pneumoniae
K pneumoniae subspecies rhinoscleromatis

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Microbiology
Which of the following can readily kill Salmonellae?

Moist heat at 55°C for 30 min
Moist heat at 55°C for 1 hr
Moist heat at 55°C for 20 min
Moist heat at 55°C for 10 min

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Microbiology
An enrichment medium for the isolation of Shigella is

Alkaline peptone water
Selenite F broth
none of these
Terathionate broth

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Microbiology
The elimination of the scum of yeasts in the brine during the fermentation include

agitation of the surface
addition of the mustard oil
all of these
addition of the sorbic acid

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MORE MCQ ON Microbiology

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