Microbiology Which of the following bacterium is non-motile? (D. REPEAT 2013) A Klebsiella spp. B Citrobacter spp. C Escherichia spp. D Salmonella spp. 💡 Explanation Which of the following bacterium is non-motile? (D. REPEAT 2013) ✓ Correct Answer: A. Klebsiella spp.