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

What would happen if oxygen availability to activated sludge flocs is reduced? - Biology

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प्रश्न

What would happen if oxygen availability to activated sludge flocs is reduced?

विकल्प

  • It will slow down the rate of degradation of organic matter.

  • The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.

  • Flocs would increase in size as anaerobic bacteria would grow around flocs.

  • Protozoa would grow in large numbers.

MCQ
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उत्तर

The center of flocs will become anoxic, which would cause death of bacteria and eventually breakage of flocs.

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अध्याय 10: Microbes in Human Welfare - MULTIPLE CHOICE QUESTIONS [पृष्ठ ७१]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
अध्याय 10 Microbes in Human Welfare
MULTIPLE CHOICE QUESTIONS | Q 11. | पृष्ठ ७१

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Explain the different steps involved during primary treatment phase of sewage.


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?


Answer the following question.
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.


Why is this sewage water treatment essential?


Name the tank to which the sewage water is passed after the preliminary treatment?


What are flocs with respect to sewage treatment?


Small part of activated sludge is passed back into primary sedimentation tank.

If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.


After which of the following process effluents from anaerobic sludge digesters are released in natural water bodies?


Which of the following occurs during tertiary treatment?


In the process of biogas production which of the following anaerobic bacteria are used?


Into which of the following the sewage water is pumped after preliminary treatment?


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


Wastewater treatment generates a large quantity of sludge, which can be treated by ______.


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


Name the states involved in Ganga action plan.


Which one is wrongly matched?


Explain the steps involved in preliminary treatment of sewage.


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