Exercise: Identification Of Bacteria

Questions for: Identification Of Bacteria

The primary stain of Gram's method is
A:
safranin
B:
phenolpthalene
C:
crystal violet
D:
methyl red
Answer: C
No answer description is available. Let's discuss.
The organisms that can be acid-fast stained is
A:
Nocardia
B:
Tubercle bacilli
C:
Lepra bacilli
D:
all of these
Answer: D
No answer description is available. Let's discuss.
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?
A:
Blue colour
B:
Appearance of growth
C:
Both (a) and (b)
D:
None of these
Answer: C
No answer description is available. Let's discuss.
Which of the following is a substitute for crystal violet used in gram-staining procedure?
A:
Methylene blue
B:
Bromocresol green
C:
Safranin
D:
Phenolpthalene
Answer: A
No answer description is available. Let's discuss.
Catalase production is negative in which of the following?
A:
Streptococcus
B:
Salmonella
C:
Proteus
D:
Staphylococcus
Answer: A
No answer description is available. Let's discuss.
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