Question

Bacteria like Coliform, {Enterococci, intestinal bacteria, anaerobes and viruses are generally present in:}

• A. Soil
• B. Water
• C. Animals
• D. Sewage

Hint:

Coliforms and {Enterococci} are key indicator organisms for fecal pollution. When you see them listed together, think of sources related to intestinal waste, such as sewage.

Answer 1

The Correct Option is D

Step 1: Analyze the types of microorganisms listed. The list includes Coliforms, {Enterococci}, and other intestinal bacteria. These microorganisms are known as indicator organisms because their presence indicates fecal contamination.
Step 2: Determine the most common source for this group of microbes. While these microbes can be found in soil, water, and animals, their collective presence, especially intestinal bacteria and associated viruses, is a primary characteristic of sewage. Sewage is wastewater containing human and animal waste, making it a concentrated source of these organisms.