Multiple choice

Which of the following statement/statements is/are true of microbial biofilm?

  1. Biofilms are composed of group of microorganisms adhering to environmental surfaces.
  2. Biofilms can form only on non-living surfaces.
  3. Natural biofilms always consist of only a single microbial species. Select the correct answer.

  1. Only 1

  2. Only 2

  3. 3 only

  4. 1 and 2

  5. 2 and 3

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

A biofilm is any group of microorganisms in which cells stick to each other adhering on a surface.