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Biotechnology and Biomedical Engineering
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Microbiology Virtual Lab II
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Isolation and Identification of Two Bacterial Unknowns
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Isolation and Identification of Two Bacterial Unknowns
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Theory
Procedure
Self Evaluation
Animation
Assignment
Reference
Feedback
1)
On EMB agar, Escherichia coli will give -------------------- types of colonies.
Blue
Yellow
Metallic green
Pink
2)
The decoloriser used in the gram stain is--------------
Safranin
Distilled water
Crystal violet
Alcohol
3)
The reagent to detect the presence of indole in the media
Barrit’s reagent
Alpha naphthol
Kovac’s reagent
Methyl red test
4)
The purpose of inoculation loop sterilization in between the quadrant sectors is:
To get individual isolated colonies
To obtain mixed colonies
To break agar surface
None of the above
5)
Mannitol salt agar plates are used for the differentiation of the members of the genus
Streptococcus
Staphylococcus
Escherichia
All of the above
6)
Lipid hydrolysis can be detected by using -----------
Blood agar
Mac conkey agar
Nutrient agar
Trybutyrene agar
7)
The reagent used for catalase test is
Hydrogen peroxide
Hydrogen sulphide
Sulphanilic acid
Alpha naphthol
Cite this Simulator:
vlab.amrita.edu,. (2011). Isolation and Identification of Two Bacterial Unknowns. Retrieved 6 May 2024, from vlab.amrita.edu/index.php?sub=3&brch=76&sim=1109&cnt=3
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