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Identification of Bacteria

Identification of Bacteria
The gram-negative organisms is

Bacillus
Actinomyces
None of these
Clostridium

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

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

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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
Catalase production is negative in which of the following?

Staphylococcus
Proteus
Salmonella
Streptococcus

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

Geimsa
Methylene blue
Carbol fuchsin
Crystal violet

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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?

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

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