Multiple choice

What is indicated by the high presence of coliform count in water?

  1. Decreased BOD.

  2. Sulphur contamination.

  3. Contamination by human wastes.

  4. Lead contamination.

  5. Hydrocarbon contamination.

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

The presence of fecal coliform bacteria in aquatic environments indicates that the water has been contaminated with the fecal material of man or other animals.