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Which of the following is a simple staining method

  • A.Gram
  • B.Neisser
  • C.Ziehl-Neelsen
  • D.Burri

Answer: D

Correct answer: Burri

A simple stain uses a single dye and shows shape and arrangement without distinguishing types of cell. Burri’s India-ink method is of that kind - strictly a negative stain, colouring the background rather than the cell. Gram, Neisser and Ziehl-Neelsen are all differential stains, using more than one reagent to separate one group of organisms from another.

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