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STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
Primary treatment is the
  • ✓
    Physical removal of large and small particles from sewage
  • B
    Biological removal of large and small particles from sewage
  • C
    Both $(a)$ and $(b)$
  • D
    Chemical removal of large and small particles from sewage
✓

Answer

Correct option: A.
Physical removal of large and small particles from sewage
a
Primary treatment is the physical removal of large and small particles from sewage

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