Multiple choice

Nigrosin, is used for

  1. gram staining

  2. negative staining

  3. Ziehl-Neelsen staining

  4. Papanicolaou staining

  5. silver staining
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nigrosin used for Negative Staining. The negative stain is particularly useful for determining cell size and arrangement. It can also be used to stain cells that are too delicate to be heat-fixed. Organisms are not stained, only the background is stained.

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