Multiple choice

Which of the following statement is FALSE?

  1. Gram staining was invented in the year 1882.

  2. Iodine is used as a mordant in Gram staining.

  3. Gram positive and Gram negative differential helps to take the appropriate antibiotic treatment.

  4. Crystal violet is an anionic charged dye and the exterior of cells have cationic charge.

  5. Aliquot something means “Take a smaller volume of sample.”
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Thsis is a false statement because Crystal violet dye has cationic charge and the exterior of cells have anionic charge.

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