Which of the Following Is Incorrect About Water

question 42

Multiple Choice

Which of the following is incorrect about water?

• A)When a water quality test is negative for coliforms, it is considered fit for human consumption.
• B)There is no acceptable level for fecal coliforms, enterococci, viruses, or pathogenic protozoans in drinking water.
• C)The (most probable number) MPN specifically detects fecal coliforms.
• D)The membrane filter method is a widely used rapid method to test large quantities of water for quality.
• E)Finding coliforms in high numbers indicates fecal contamination of the water.

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Definitions:

Human Impact

The effects and consequences of human activities on the environment and its natural processes.

Photochemical Smog

Mixture of several air pollutants that injure plant tissues, irritate eyes, and cause respiratory problems in humans.

Nucleic Acids

Essential biomolecules for life, such as DNA and RNA, are responsible for carrying genetic information and participating in the synthesis of proteins.

Nitrogen

A chemical element with symbol N and atomic number 7, essential for all living organisms, primarily involved in protein synthesis and other vital biological processes.