The municipal waste water is also known as

(1) Sewage

(2) Human excreta

(3) Household waste

(4) Organic matter

Subtopic:  Microbes in Sewage Treatment |
 91%
From NCERT
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The major component of municipal waste is

(1) Human excreta

(2) Kitchen waste

(3) Household waste

(4) Sewage

Subtopic:  Microbes in Sewage Treatment |
 67%
From NCERT
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The treatment of waste water is done by

(1) Heterotrophic microbes added after treatment

(2) Heterotrophic microbes added during treatment

(3) Heterotrophic microbes which are already present in the sewage

(4) Mixotrophic bacteria present in human excreta

Subtopic:  Microbes in Sewage Treatment |
 65%
From NCERT
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Physical removal of particles in waste water treatment is carried out by

(1) Filtration

(2) Sedimentation

(3) Both A and B

(4) Digesters

Subtopic:  Microbes in Sewage Treatment |
 95%
From NCERT
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Floating debris is removed by

(1) Sequential filtration

(2) Sedimentation

(3) Secondary Treatment

(4) Anaerobic digestion

Subtopic:  Microbes in Sewage Treatment |
 79%
From NCERT
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Grit is composed of

(1) Soil

(2) Small pebbles

(3) Both A and B

(4) Human excreta+ soil+ small pebbles

Subtopic:  Microbes in Sewage Treatment |
 89%
From NCERT
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Removal of grit is carried out by

(1) Sedimentation

(2) Filteration

(3) Primary digestion

(4) Secondary digestion

Subtopic:  Microbes in Sewage Treatment |
 79%
From NCERT
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The result of sedimentation results in settled solids which is known as

(1) Effluent

(2) Primary sludge

(3) Activator

(4) Both B and C

Subtopic:  Microbes in Sewage Treatment |
 73%
From NCERT
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Effluent is formed in

(1) Primary Settling tank

(2) Colony sewage

(3) Secondary Settling tank

(4) Both B and C

Subtopic:  Microbes in Sewage Treatment |
 76%
From NCERT
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The Biological treatment of sewage is also known as

(1) Secondary Treatment

(2) Primary Treatment

(3) Same treatment

(4) Floc treatment

Subtopic:  Microbes in Sewage Treatment |
 90%
From NCERT
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