Identification of Bacteria - Section 1 Multiple Questions and Answers.




11.What is the color of gram -postive bacteria on a gram staining?
A. Purple
B. Pink
C. Colorless
D. Green

12.What is the color of gram-negative bacteria on a gram staining?
A. Purple
B. Pink
C. Green
D. Colorless

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

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

15.Which of the following shows a positive urease test?
A. Proteus
B. Klebsiella
C. Both (a) and (b)
D. None of above

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