Identification of Bacteria Questions

• The process of Gram staining is based on the ability of bacterial cell wall
• Which of the following(s) show(s) positive results for phenylalanine deaminase test?
• The gram-negative organisms is
• The primary stain of Gram's method is
• Which of the following(s) is/ are oxidase-positive bacteria?
• Which of the following shows a positive urease test?
• Which of the following is a primary stain for acid fast staining of mycobacteria?
• The deinococci are gram-positive cocci and rods that are distinctive in their unusually great resistance to
• 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?
• What is the order of reagents used in the Gram stain?
• Which of the following is a substitute for crystal violet used in gram-staining procedure?
• Production of acetoin can be detected by which of the following tests?
• Gram staining was developed accidentally in 1884 by
• What is the colour of gram -postive bacteria on a gram staining?
• The production of sufficient acid by fermentation of glucose leads to decrease in pH such that pH of the medium falls below 4.5. Which of the following test can detect it?
• At what concentration of sulphuric acid, Nocardia resists decolourization?
• Which of the following organisms can be demonstrated with silver impregnation method?
• The organisms that can be acid-fast stained is
• Which of the following is commonly used as Gram's decolouriser?
• What is the colour of gram-negative bacteria on a gram staining?