Multiple choice

Which of the following is a pathogenic parasitic bacterium?

  1. Green sulphur bacteria

  2. Nitrosoomonas nitrobacter

  3. Diplococcus pneumonial

  4. Rhizobium

  5. E. coli

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

Diplococcus pneumoniae cause pneumonia in the host organisms. Thus, they are called pathogenic parasitic bacteria.