BACILLUS ANTHRACIS UPDATED SCRIPT
2026 PRACTICE SOLUTIONS GRADED A+
● What disease does Bacillus anthracis cause? Answer: Anthrax
● Which animals are highly susceptible to Bacillus anthracis? Answer:
Herbivores
● What is the morphology of Bacillus anthracis? Answer: Large, Gram
(+) rods, 1um x 3-6 um
● How does Bacillus anthracis appear in cultures? Answer: Forms long
chains that appear as solid filaments
● What temperature range promotes sporulation in Bacillus anthracis?
Answer: 15-40°C in the presence of air
● What is the appearance of Bacillus anthracis colonies on agar?
Answer: Ground glass-like with irregular margins, resembling Medusa-
head colonies
● What is the biochemical activity of Bacillus anthracis compared to
other bacilli? Answer: Much less active
