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Secondary sewage treatment is mainly a...

Secondary sewage treatment is mainly a

A

Physical process

B

Mechanical process

C

Chemical process

D

Biological process

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Study the following statements and select the incorrect ones. (i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment. (ii) Secondary sewage treatment is mainly a mechanical process. (iii) Activated sludge sediment in a sewage treatment plant is a rich source of aeroic bacteria. (iv) Biogas, commonly called as gobar gas, is pure methane.

Study the following statements and select the incorrect ones (i) Physical removeal of large and small particles through filtration and sedimentation is called primary sewage treamtent. (ii) Secondry sewage treatment is mainly a mechanical process (iii) Activated sludge sediment is a sewage treatement plant is a rich soruce of aerobic bactria.

Sewage is mainly a

What are flocs used in secondary sewage treatment?

Secondary treatment of sewage

Which of the following statement about sewage treatment is false?

Assertion : Secondary treatement of sewage is also called biological treatment while primary treatment is called physical treatment. Reason : Primary sewae treatment depends only upon sedimentation properies of materials present in sewage and filtration.

Filtration and Sedimentation are the sewage treatment steps involved in

Secondary treatment or biological treatment of waste or sewage is done by the :-

TRUEMAN BIOLOGY-MICROBES IN HUMAN WELFARE -Multiple choice question
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  2. Which one of the following is not a biofertlizer

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  3. Secondary sewage treatment is mainly a

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  4. Which of the following is mainly produced by the activity of anaerobic...

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  5. Ethanol is commercially produced through a particular species of:-

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  6. which one of the following helps in asbsorption of phosphorus ...

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  7. Which one of the following is a wrong matching of a microbe and its in...

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  8. Cyclosporine-A is an immunosuppressive agent produced by the fungus

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  9. A Bioactive molecule, Cyclosporin-A used as an immuno-suppressive agen...

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  10. The scientific name of Baker's yeast is

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  11. The majority of Baculo viruses are used as biological control agents b...

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  12. The large holes in 'Swiss cheese' are because of

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  13. Blood cholesterol lowering statins are obtained from

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  14. Which organic compound is produced by fer- mentation and is used to re...

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  15. Which one of the following is a wrong matching of a microbe and its in...

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  16. Yeast is used in the production of

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  17. Which one of the following is an example of carrying out biological co...

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  18. Monascuspurpureus is a yeast used com- mercially in the production of

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  19. Which one of the following helps in absorption of phosphorus from soil...

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  20. A patient brought to a hospital with myocardial infraction is normally...

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