Question

Abundance of coliform bacteria in a water body in indicative of pollution from:

• A. Petroleum refinery
• B. Metal smelter
• C. Fertilizer factory
• D. Dometic savage

Answer 1

The correct option is D Dometic savage

• Coliform bacteria are microorganisms that can be used as indicators of environmental pollution or poor sanitation related to domestic wastes.
• Coliform bacteria are present in the intestines of humans and other warm-blooded animals.
• When the water body is polluted with faeces, the number of coliform bacteria in the water bodies increases.

Thus, the correct answer is option D.