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NewNcertBiologyMicrobes in Human Welfare

Match Column I with Column II and select the correct option. Column I (A) Primary treatment (B) Secondary treatment (C) Biogas (D) Biofertilisers Column II (i) Anaerobic sludge digester (ii) Flocs (iii) Physical removal (iv) Cyanobacteria
✓ Correct answer: A

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Question ID #388933 · NewNcert