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The domestic sewage in large cities...

The domestic sewage in large cities

A

Has a high BOD as it containing both aerobic and anaerobic bacteria

B

Is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)

C

When treated in STPs does not really require the aeration step as the sewage contains adequate oxygen

D

Has very high amounts of supended solids and dissolved salts

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AAKASH INSTITUTE ENGLISH-MICROBES IN HUMAN WELFARE-Assignment (SECTION - C)
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  2. During sewage treatment, biogases are pro- duced which include

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  3. The domestic sewage in large cities

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  4. monascus purpureus is a yeast used commercially in the production of

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  5. in gobar gas ,the maximum amount is of

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  6. Yeast is used in the production of

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  7. A nitrogen fixing microbe associated with Azolla in rice fields is

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  8. Measuring Biochemical Oxygen Demand (BOD) is a method used for

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  9. The most abundant prokaryotes helpful to humans in making curd from mi...

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  10. Which one of the following is a wrong match- ing of a microbe and its ...

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  11. Which one of the following is an example .o f carrying out biological ...

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  12. Which one of the following microbes forms symbiotic association with p...

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  13. Organisms called Methanogens are most abundant in a

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  14. Secondary sewage treatment is mainly a:

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

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  16. Ethanol is commercially produced through a particular species of

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  17. The most common substrate used in distilleries for the production of e...

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  18. Which one of the following is not a biofertiliser?

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  19. An organism used as a biofertilizer for raising soyabean crop is

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  20. Consider one of the following statement (A-D) about oganic farming ...

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