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Secondary sewage treatment is mainly a...

Secondary sewage treatment is mainly a

A

Biological process

B

Physical process

C

Mechanical process

D

Chemical 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 :-

AAKASH INSTITUTE-MICROBES IN HUMAN WELFARE-Assignment (SECTION - C)
  1. Which one of the following helps in absorption of phosphorus from soil...

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  2. Organisms called Methanogens are most abundant in a

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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. The most cammon substrate used in disrlilleris for the production of e...

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  7. Which one of the following is not a biofertilizer?

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  8. An organism used as a biofertilizer for raising soyabean crop is:-

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  9. Study the following statements regarding organic farming and select t...

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  10. Select the correct statement from the following

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  11. An example of endomycorrhiza is

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  12. A common biocontrol agent for the control of plant diseases is

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  13. Which one of the following is not used in organic farming ?

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  14. Which of the following is not used as a biopesticide ?

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  15. Which proves to be effective biological control for nematodal pathogen...

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  16. Modern detergents contain enzyme preparations of

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  17. Trichoderma harizianum has proved to be a useful microorganism for

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  18. Probiotics are

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  19. Which one of the following pairs is wrongly matched

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  20. Bacillus thuringiensis (Bt) strains have been used for designing novel

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