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Identification of Bacteria

Identification of Bacteria
Which of the following shows a positive urease test?

None of these
Proteus
Both (a) and (b)
Klebsiella

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Identification of Bacteria
The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to

both (a) and (b)
radiation
desiccation
extreme temperatures

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Identification of Bacteria
Which of the following inference(s) indicate(s) the ability of an organism to utilize citrate as a sole source of carbon in Simmon's citrate medium?

Appearance of growth
Blue colour
None of these
Both (a) and (b)

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Identification of Bacteria
Gram staining was developed accidentally in 1884 by

Alexander Fleming
Hans Christian Gram
Joseph Christian Gram
Robert Gram

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Identification of Bacteria
The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it?

Voges-Proskauer test
Citrate utilization test
Methyl red test
Indole test

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Identification of Bacteria
Catalase production is negative in which of the following?

Staphylococcus
Streptococcus
Salmonella
Proteus

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