Identification of Bacteria

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Identification of Bacteria

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which of the following(s) show(s) positive results for phenylalanine deaminase test?
A
Providencia
B
Proteus
C
Morganella
D
All of these
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Catalase production is negative in which of the following?
A
Streptococcus
B
Salmonella
C
Proteus
D
Staphylococcus
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The gram-negative organisms is
A
Actinomyces
B
Bacillus
C
Clostridium
D
None of these
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the colour of gram-negative bacteria on a gram staining?
A
Purple
B
Pink
C
Green
D
Colourless
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the order of reagents used in the Gram stain?
A
Crystal violet, iodine, safranin, decolorizer
B
Crystal violet, iodine, decolorizer, safranin
C
Safranin, crystal violet, decolorizer, iodine
D
Crystal violet, safranin, iodine, decolorizer
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