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Microbiology

Microbiology
Soft pickles are made so by pectolytic enzymes mostly from

none of these
moulds
bacteria
yeasts

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Microbiology
Which of the following gram-positive bacteria causes pharyngitis (sore throat)?

Staphylococcus
Mycobacterium
Neisseria
Streptococcus

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Microbiology
In Widal test, the significant titre for O agglutinins is generally

1:50 or more
1:100 or more
1:2.00 or more
1:150 or more

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Microbiology
Salmonellois is caused by the

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

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Microbiology
Which of the following property(ies) is/are seen in the members of family Enterobacteriaceae?

They ferment glucose
They reduce nitrates to nitrites
They are catalase-positive
They are oxidase-negative

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Microbiology
Too long a fermentation of sauerkraut may favour the growth of

Lactobacillus lactis
Bacillus subtilis
none of these
Lactobacillus brevis

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MORE MCQ ON Microbiology

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