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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Sewage purification is done by:
  • A
    microbes
  • B
    fertilizers
  • C
    antibiotics
  • D
    antiseptics
✓

Answer

  1. microbes

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