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-
  Lawsonia intracellularis:
  Brachyspira hyodysenteriae:
  Erysipelothrix rhusiopathiae:
  Yersinia pestis:
  Chlamydia trachomatis:
 List correct answers

www.vetbact.org 2026-06-13