Multiple choice

Which of the following bacteria is comma shaped?

  1. Lactobacillus

  2. Streptococcus

  3. Vibrio

  4. Sarcina

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vibrio bacteria are characterized by their distinctive comma or curved rod shape. Lactobacillus is rod-shaped, Streptococcus is spherical (cocci), and Sarcina forms cube-like clusters of 8 cells.