Microbiology - Identification of Bacteria

Exercise :: Identification of Bacteria - Section 1

  • Identification of Bacteria - Section 1
16. 

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

A. Vibrio
B. Neisseria
C. Pseudomonas
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

17. 

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

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

18. 

Gram staining was developed accidentally in 1884 by

A. Alexander Fleming
B. Hans Christian Gram
C. Joseph Christian Gram
D. Robert Gram

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

19. 

Which of the following organisms can be demonstrated with silver impregnation method?

A. Vibrios
B. Salmonella
C. Spirochaetes
D. Shigella

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

20. 

Which of the following(s) show(s) positive results for phenylalanine deaminase test?

A. Providencia
B. Proteus
C. Morganella
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.