A. diplobacillus
B. coccus
C. bacillus
D. vibrio
Correct Answer:
Option B – coccus
Explanation
A coccus (plural cocci) is any bacterium that has a spherical, ovoid, or generally round shape. A bacillus is any bacterium that has a rod shape.
Vibrio is bacteria possessing a curved-rod shape
Diplobacillus is a rod-shaped bacterium occurring in pairs linked end to end.