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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Why do we prefer to call secondary waste water treatment as biological treatment?

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प्रश्न

Why do we prefer to call secondary waste water treatment as biological treatment?

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उत्तर

The secondary treatment is also called biological treatment because in secondary treatment living organisms like bacteria and fungi are used.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Microbes in Human Welfare - VERY SHORT ANSWER [पृष्ठ ७२]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 10 Microbes in Human Welfare
VERY SHORT ANSWER | Q 4. | पृष्ठ ७२

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Explain the process of secondary treatment given to the primary effluent up to the point it shows significant change in the level of biological oxygen demand (BOD) it.


Explain the function of “anaerobic sludge digester” in a sewage treatment plant.


Distinguish between the roles of flocs and anaerobic sludge digesters in sewage treatments.


Answer the following question.
What are 'flocs', formed during secondary treatment of sewage?


Name the chamber in which the suspended objects are filtered and removed during sewage treatment?


Rearrange the names of tanks used in sewage treatment as per the flow of the procedure.

  1. Settling tank
  2. Grit Chamber
  3. Aeration tanks 
  4. Primary sedimentation tank.

Due to which of the following reason/s sewage water cannot be discharged directly into river?


Which of the following is/are found in discharge from industrial waste?


Small part of activated sludge is passed back into ______ and major part is pumped into large tanks called ______.


Identify the type of microorganisms involved in floe formation during sewage treatment.


Identify the INCORRECT statement with respect to sewage treatment.


Which of the following is TRUE regarding 'Flocs'?


In the process of sewage treatment, the activated sludge is digested by ______


Which of the following is put into Anaerobic sludge disaster for further sewage treatment?


In a sewage treatment plant, all of the following processes belong to secondary treatment except: 


After a significant reduction in the BOD of wastewater, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called ______.


Which of the following statement is correct for Sewage Treatment Plants (STPs)?


The aeration tank of a sewage treatment plant is not functioning properly. Explain in detail the impact of this on the treatment of sewage and BOD of the effluent.


Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.


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