Q. The transport medium for Vibrio cholerae can be

View solution

Q. Which of the following does not cause wound infection following exposure to sea water or infected shellfish?

View solution

Q. The test(s) used for the assay of cholera toxin is/are

View solution

Q. The DNA coding for the production of cholera toxin in Vibrio cholerae is on the

View solution

Q. The halophilic bacteria is/are

View solution

Q. Which of the following toxin resembles cholera toxin?

View solution

Q. The gram-negative organisms is

View solution

Q. Catalase production is negative in which of the following?

View solution

Q. Which of the following is a substitute for crystal violet used in gram-staining procedure?

View solution

Q. 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?

View solution

Q. The organisms that can be acid-fast stained is

View solution

Q. The primary stain of Gram's method is

View solution

Q. At what concentration of sulphuric acid, Nocardia resists decolourization?

View solution

Q. Which of the following is commonly used as Gram's decolouriser?

View solution

Q. Production of acetoin can be detected by which of the following tests?

View solution

Q. 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?

View solution

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

View solution

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

View solution

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

View solution

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

View solution