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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

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Verified by Experts

The correct Answer is:
D
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  7. What would happen if oxygen availability to activated sludges flocs is...

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  8. Mycorrhiza does not help the host plant in:

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

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

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  19. A biofertilizer is:

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