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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
Explain the process of sewage water treatment before it can be discharged into natural water bodies.
Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
Nitrogen fixation by organisms requires conditions that are:
BOD of waste water is estimated by measuring the amount of ______.
Activated sludge should have the ability to settle quickly so that it can ______.
Why are flocs important in biological treatment of waste water?
In what way anaerobic sludge digestion is important in sewage treatments?
Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.
What is the primary purpose of chlorination in the tertiary treatment of wastewater?
