Microbiology - Identification of Bacteria

Exercise :: Identification of Bacteria - Section 1

  • Identification of Bacteria - Section 1
11. 

What is the colour of gram -postive bacteria on a gram staining?

A. Purple
B. Pink
C. Colourless
D. Green

Answer: Option A

Explanation:

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

12. 

What is the colour of gram-negative bacteria on a gram staining?

A. Purple
B. Pink
C. Green
D. Colourless

Answer: Option B

Explanation:

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

13. 

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

A. Crystal violet
B. Carbol fuchsin
C. Geimsa
D. Methylene blue

Answer: Option B

Explanation:

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

14. 

The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to

A. radiation
B. desiccation
C. both (a) and (b)
D. extreme temperatures

Answer: Option C

Explanation:

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

15. 

Which of the following shows a positive urease test?

A. Proteus
B. Klebsiella
C. Both (a) and (b)
D. None of these

Answer: Option C

Explanation:

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