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Question
The presence of high coliform counts in water indicate ______________.
The presence of high coliform counts in water indicate ______________.
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Solution
The correct option is C contamination by human wastes.
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.
Water contamination test is done by counting the number of coliform- bacteria E. coli colonies per 100 mL of water. The test is known as coliform microbial density. The water quality standards are that drinking water should
not have any colonies, bathing and swimming pool
water can have about 200 colonies, and recreational (fishing and boating) water
about 1000 colonies
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.
Water contamination test is done by counting the number of coliform- bacteria E. coli colonies per 100 mL of water. The test is known as coliform microbial density. The water quality standards are that drinking water should not have any colonies, bathing and swimming pool water can have about 200 colonies, and recreational (fishing and boating) water about 1000 colonies
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