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Waste water treatment generates a large ...

Waste water treatment generates a large quantity of sludge, which can be treated by

A

digesters

B

activated sludge

C

chemicals

D

oxidation pond

Text Solution

Verified by Experts

The correct Answer is:
d
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TRUEMAN BIOLOGY-NCERT Exemplar Questions +2 (MICROBES IN HUMAN WELFARE)-MCQs
  1. The vitamin whose content increases following the conversion of milk i...

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  2. Waste water treatment generates a large quantity of sludge, which can ...

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  3. Methanogenic bacteria are not found in

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  4. Match the following list of bacteria and their commercially important ...

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  5. The primary treatment of waste water in- volves the removal of

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  6. BOD of waste water is estimated by measuring the amount of

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

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  8. The technology of biogas production from cow dung was developed in ind...

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  9. The free-living fungus Trichoderma can be used for

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  10. What would happen if oxygen availability to activated sludge flocs is ...

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  11. Mycorrhiza does not help the host plant in

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

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  13. Big holes in Swiss cheese are made by a

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  14. The residue left after methane production from cattle dung is

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  15. Methanogens do not produce

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

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  17. Match the items in Column 'A' and Column 'B' and choose correct answer...

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  18. Which one is the most important role of microorganism of the well bein...

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