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-
  Neisseria gonorrhoeae:
  Streptococcus dysgalactiae dysgalactiae:
  Brucella abortus:
  Francisella tularensis holarctica:
  Clostridioides difficile:
 List correct answers

www.vetbact.org 2026-10-11