Question

Are all bacteria pathogenic?

Answer 1

Bacteria:

1. Bacteria are microorganisms that belong to the kingdom Monera.
2. Some bacteria contain virulence genes that cause diseases. They are known as pathogenic bacteria.
3. All bacteria are not pathogenic. They are beneficial to humans in many ways.

Examples of beneficial bacteria:

1. Rhizobium present in the soil help in nitrogen fixation.
2. Streptomyces are a vital source of several antibacterial and antifungal medications.
3. Lactobacillus acidophilus is present in the gut. They facilitate digestion and prevent the growth of harmful microorganisms.