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Microbes In Human Welfare

Question

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What is the key difference between primary and secondary sewage treatment ?

Solution

Primary treatment of wastes involves the physical removal of particles. It involves methods like sedimentation and fitration. It is comparitively less expensive

Secondary treatment of waste involves the biological removal of dissolved organic matter. It involves the use of microbes. It is an expensive process.

Some More Questions From Microbes in Human Welfare Chapter

Which bacterium is responsible for the formation of curd from milk?

What is brewing ?

What is the difference between rum and whisky ?

Give the source of invertase enzyme (sucrase).

Name one micro-organism which is used in bakery.

Name the two groups of micro-organisms most commonly used in industrial field.

Name the different vitamins which are produced by microorganisms.

The majority of baculoviruses used as biological control agents are in the genus?

Name the organism which provides statins used to lower cholesterol levels .

Name the first acid to be produced by fermentation.

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