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BOD of waste water is estimated by measu...

BOD of waste water is estimated by measuring the amount of
(A) Total organic matter
(B) Biodegradable organic matter
(C) Oxygen evolution
(D) Oxygen consumption

A

Total organic matter

B

Biodegradable organic matter

C

Oxygen evolution

D

Oxygen consumption

Text Solution

Verified by Experts

The correct Answer is:
D
BOD of waste water is refers to the amount of oxygen that would be consumed if all the organic matter in one liter of water were oxidised by bacteria. The BOD test measures the rate of uptake of oxygen by micro-organisms in a sample of water.
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KUMAR PRAKASHAN-MICROBES IN HUMAN WELFARE -SECTION - E SOLUTION OF NCERT EXEMPLAR (MULTIPLE CHOICE QUESTIONS)
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  2. Wastewater treatment generates a large quantity of sludge, which can b...

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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. Match the following list of bioactive substances and their roles :

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  6. The primary treatment of waste water involves the removal of

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  7. BOD of waste water is estimated by measuring the amount of (A) Total...

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

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

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

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

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  12. Mycorrhiza does not help the host plant in (A) Enhancing its phosphor...

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  13. Which one of the following is not a nitrogen fixing organism ? (A) An...

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  14. Big holes in Swiss cheese are made by a (A) machine (B) bacterium t...

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  16. Methanogens do not produce (A) Oxygen (B) Methane (C) Hydrogen su...

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

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  18. Match the items in Column .A. and Column .B. and choose the correct an...

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