VetBact

VetBact - 'Easy' Gram Staining Quiz



Question

Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Species/subspeciesG+G-
  Bordetella pertussis:
  Streptococcus equi equi:
  Salmonella enterica:
  Francisella tularensis tularensis:
  Brucella abortus:
  Helicobacter pylori:
 List correct answers

www.vetbact.org 2026-03-19