Zymomonas mobilis is __________

Zymomonas mobilis is __________
A. Facultative aerobe
B. Facultative anaerobe
C. Non- facultative aerobe
D. Non-facultative aerobe

The correct choice is B. Facultative anaerobe

Zymomonas mobilis is a Gram negative, facultative anaerobic, non-sporulating, polarly-flagellated, rod-shaped bacterium. It is the only species found in the genus Zymomonas. It has notable bioethanol-producing capabilities, which surpass yeast in some aspects.