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Identification of Bacteria

Identification of Bacteria
The gram-negative organisms is

None of these
Actinomyces
Clostridium
Bacillus

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Identification of Bacteria
Which of the following is a primary stain for acid fast staining of mycobacteria?

Carbol fuchsin
Geimsa
Crystal violet
Methylene blue

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

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

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Identification of Bacteria
What is the order of reagents used in the Gram stain?

Crystal violet, iodine, decolorizer, safranin
Safranin, crystal violet, decolorizer, iodine
Crystal violet, safranin, iodine, decolorizer
Crystal violet, iodine, safranin, decolorizer

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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?

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

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Identification of Bacteria
Production of acetoin can be detected by which of the following tests?

Citrate test
Indole test
Methyl red test
Voges-Proskauer test

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