Home › NEET UG › Biology › Microbes in Human Welfare › Sewage treatment begins with a stage that remove…
Sewage treatment begins with a stage that removes particles by:
APhysical means
BChemical means
CMagnetic means
DElectrical means
Answer & Solution
Correct answer: A. Physical means
1. The first stage deals with floating debris and grit.
2. It uses filtration and sedimentation.
3. So the removal is physical.
_Source: NCERT Class 12 Biology, Chapter 10, Microbes in Human Welfare._
Related questions
Bacteria producing biogas are known as:Biogas produced from dung is commonly called:The remaining sludge is digested in tanks that are:The sediment settling after secondary treatment is called activated:Masses of bacteria with fungal filaments in aeration tanks are called:In secondary treatment the effluent goes into large tanks that are:Solids settling out in primary treatment form the primary:Fleming, Chain and Florey received the Nobel Prize in: