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-
  Bacillus cereus:
  Pseudomonas aeruginosa:
  Fusobacterium necrophorum necrophorum:
  Mesomycoplasma hyopneumoniae:
  Clostridium perfringens:
 List correct answers

www.vetbact.org 2026-09-27