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The primary treatment of waste water inv...

The primary treatment of waste water involves the removal of :

A

dissolved impurities

B

stable particles

C

toxic substances

D

harmful bacteria

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The correct Answer is:
B
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USHA PUBLICATION-MICROBES IN HUMAN WELFARE-EXERCISE
  1. Wastewater treatment generates a large quantity of sludge , which can ...

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  2. Methanogemc bacteria are not found in :

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  3. The primary treatment of waste water involves the removal of :

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  4. BOD of waste water is estimated by measuring the amount of :

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  5. Which one of the following alcoholic drinks is produced without distil...

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  6. The technology of biogas production from cow dung was developed in Ind...

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  7. The free - living fungus Trichoderma can be used for :

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  8. What would happen if oxygen availability to activated sludges flocs is...

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  9. Mycorrhiza does not help the host plant in:

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  10. Which one of the following is not a nitrogen - fixing organism ?

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  11. Big holes in Swiss cheese are made by a :

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  12. The residue left after methane production from cattle dung is :

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  13. Methanogens do not produce :

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  14. Activated sludge should have the ability to settle quickly so that it ...

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  15. A good producer of citric acid is

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  16. A neem product used as insect repellant is

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  17. Fill In The blank : In biogas production bacteria are used .

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  18. Fill In The blank : BGA used in biological nitrogen fixation are calle...

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  19. Fill In The blank : Ethanol obtained by fermentation is used in indust...

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  20. Fill In The blank : Acetobacter converts to vinegar by aerobic fermen...

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