Multiple choice Which of the following is also known as Crystal violet? Gentian violet dyes Leuco dyes Magneta dyes Quinoline dyes Mordant antheraquinoids dyes Reveal answer Fill a bubble to check yourself A Correct answer Explanation This option is correct. Crystal violet is also known as Gentian violet dyes or Pyoctanin dyes.These dyes are used in histological stain and Gram's methods of the classifying bacteria.