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प्रश्न
What are 'flocs' in the context of biological wastewater treatment?
विकल्प
Dense layers of anaerobic methanogens floating on water
Colloidal precipitates formed by heavy metal ions
Aggregations of viral capsids bound to soil particles
Masses of bacteria associated with fungal filaments forming mesh-like structures
MCQ
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उत्तर
Flocs are masses of aerobic bacteria closely associated with fungal filaments that form mesh-like networks in aeration tanks during secondary treatment. They actively consume the organic matter present in sewage effluent.
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