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Identification of Bacteria

Identification of Bacteria
The primary stain of Gram's method is

phenolpthalene
safranin
crystal violet
methyl red

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

Crystal violet
Carbol fuchsin
Geimsa
Methylene blue

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Identification of Bacteria
Which of the following(s) is/ are oxidase-positive bacteria?

Vibrio
All of these
Neisseria
Pseudomonas

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Identification of Bacteria
The process of Gram staining is based on the ability of bacterial cell wall

none of above
to retain the safranin dye
to retain part of both dyes
to retain the crystal violet dye during solvent treatment.

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

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

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

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

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