Bacteriological Characteristics of Water Examination
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Questions and Answers

Pathogenic organisms cause water borne diseases, and many non pathogenic bacteria such as E.Coli. Coliform itself is not a harmful group but it has more resistance to adverse condition than any other group. So, if it is ensured to minimize the number of coliforms, the harmful species will be very ______

less

Bacterial examination of water is very important, since it indicates the degree of ______

pollution

So, coliform group serves as indicator of contamination of water with sewage and presence of ______

pathogens

The methods to estimate the bacterial quality of water are: Standard Plate Count Test, Most Probable Number, ______

<p>Membrane Filter Technique</p> Signup and view all the answers

Why is bacterial examination of water important?

<p>To estimate the pollution level</p> Signup and view all the answers

Which group serves as an indicator of contamination of water with sewage and presence of pathogens?

<p>Coliform group</p> Signup and view all the answers

What is the purpose of the Most Probable Number method in estimating the bacterial quality of water?

<p>To calculate the concentration of bacteria based on statistical analysis</p> Signup and view all the answers

What is the role of coliform group in minimizing the number of harmful species in water?

<p>It helps in reducing the number of harmful species</p> Signup and view all the answers

What is the significance of bacterial examination of water?

<p>To indicate the presence of pathogens and level of pollution</p> Signup and view all the answers

Why is the coliform group considered important in water quality assessment?

<p>It has more resistance to adverse conditions than other groups</p> Signup and view all the answers

What are the methods used to estimate the bacterial quality of water?

<p>Standard Plate Count Test, Most Probable Number, Membrane Filter Technique</p> Signup and view all the answers

What do pathogenic organisms cause in relation to water?

<p>Water borne diseases</p> Signup and view all the answers

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