VetBact - Standard Gram Staining Quiz
Question
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Species/subspecies
G+
G-
Brucella suis
:
Mannheimia haemolytica
:
Trueperella pyogenes
:
Bacteroides fragilis
:
Salmonella enterica
enterica
:
Streptococcus pyogenes
:
List correct answers
www.vetbact.org 2026-07-31