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प्रश्न
One of the free-living anaerobic nitrogen-fixer is _________.
पर्याय
Azotobacter
Beijerinckia
Rhodospirillum
Rhizobium
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उत्तर
One of the free-living anaerobic nitrogen-fixer is Rhodospirillum.
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संबंधित प्रश्न
What is sewage?
The purpose of biological treatment of waste water is to ______.
After which of the following process effluents from anaerobic sludge digesters are released in natural water bodies?
In the process of biogas production which of the following anaerobic bacteria are used?
Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.
Which of the following occurs during secondary treatment?
Which of the following process is a part of preliminary treatment of sewage?
Which of the following is put into Anaerobic sludge disaster for further sewage treatment?
BOD of waste water is estimated by measuring the amount of ______.
In what way anaerobic sludge digestion is important in sewage treatments?
