Water Pollution

Water Pollution
‘Turbidity’ in sewage is caused by
Colloidal liquids
Suspended and Colloidal Solids
chemicals
waste water
Author: rikazzz Comment
Water Pollution
Sewage consist of 99.9% of
Oxygen
Nutrients
Waste
Water
Author: rikazzz Comment
Water Pollution
‘BOD’ oxidized by bacteria, resulting oxidization is known as
Biologically Degradable
Biodiversity
Nitrification
Bacteria oxidize
Author: rikazzz Comment
Water Pollution
Organic matter, which can be decomposed by bacteria is known as
Biodegradable organic matter
Degradation
Eutrophication
Decomposers
Author: rikazzz Comment
Water Pollution
In first stage of aerobic decomposition, carbonaceous matter is being
Reduced
Oxidized
Formed
Decomposed
Author: rikazzz Comment
Water Pollution
What causes rise in nutrient level of water ?
Deforestation
Biodegradation
Eutrophication
Composition
Author: rikazzz Comment
Water Pollution
What causes bad odour in waste treatment plant?
CO2
CO
H2S
PAN
Author: rikazzz Comment
Water Pollution
Most of organic matter present in sewage is
Producer
Decomposer
Biodegradable
All of above
Author: rikazzz Comment
Water Pollution
Phosphorous, is needed for the
Growth
Decomposition
Photosynthesis
Eutrophication
Author: rikazzz Comment
Water Pollution
‘Aerobic’ decomposition takes place in
Two stages
Three stages
Four Stages
Five stages
Author: rikazzz Comment

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