Multiple choice

What is the shape of Lactobacillus?

  1. Rod shape

  2. Spherical shape

  3. Comma shape

  4. Spiral shape

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

Lactobacillus is a rod-shaped bacterium, as indicated by the suffix 'bacillus' which means rod. Spherical bacteria are called cocci (like Streptococcus), spiral shapes are spirochetes or spirilla, and Vibrio has a comma shape.