VetBact

VetBact - Standard Gram Staining Quiz



Question

Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Species/subspeciesG+G-
  Brucella suis:
  Mannheimia haemolytica:
  Trueperella pyogenes:
  Bacteroides fragilis:
  Salmonella enterica enterica:
  Streptococcus pyogenes:
 List correct answers

www.vetbact.org 2026-07-31