Multiple choice

Eosin Methylene Blue is a stain for Gram negative bacteria. It contains Eosin and Methylene blue in the ratio of

  1. 3 : 1

  2. 1 : 3

  3. 6 : 1

  4. 1 : 6

  5. 1 : 1

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Eosin Methylene Blue (EMB, also known as Levine's formulation) is a stain for Gram-negative bacteria. It has Eosin and Methylene blue in the ratio of 6 : 1.