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General Knowledge · Q176

Environmental Science

Competitive Exams · General Knowledge · question 176

Q176

The presence of high coliform counts in water indicates

A.
contamination by human wastes
Answer
B.
phosphorus contamination
C.
decreased Biological Oxygen Demand
D.
hydrocrbon contamination

Answer: Option A

Solution

Answer: Option A
Solution:
The presence of high coliform counts in water indicate contamination by human wastes. Coliform bacteria or Escherichia coli is a bacteria that is present in human intestine. It is a useful bacteria. When people discharge fecal matter near water bodies these microorganisms enter water.