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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.
APPEARS IN
संबंधित प्रश्न
Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.
Explain the process of sewage water treatment before it can be discharged into natural water bodies.
What is the key difference between primary and secondary sewage treatment?
Removal of large pieces of floating debris, oily substances, etc. during sewage treatment is called _______________.
Identify the INCORRECT statement with respect to sewage treatment.
______ refers to the organic matter which settles down after physical treatment of sewage.
Methanogenic bacteria are not found in ______.
In a sewage treatment plant, all of the following processes belong to secondary treatment except:
Activated sludge should have the ability to settle quickly so that it can ______.
Study the given diagram of the Sewage Treatment Plant (S.T.P.) and answer the question that follows:
- Which one of the two 'S.T.P.' (A) or (B) will be more effective in treating the human excreta in municipal waste?
- Write the steps followed in carrying the treatment of the sewage in step (Z), once the BOD of sewage is reduced significantly till it is passed on to the "anaerobic sludge digesters".
