EASY
7th CBSE
IMPORTANT
Earn 100

An underground network of inter connected pipes is called _____.

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Important Questions on Wastewater Story

EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 4
Adopting good _____ practices should be our way of life.
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 5
Anaerobic bacteria is added in the digester tank to decompose the organic matter to produce
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 6
Floating impurities (such as grease) in the sedimentation tank are removed by _____.
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 7
Which one of the following is an example of low cost onsite sewage disposal system?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 1

Discharge of untreated sewage into water bodies causes _____.

EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 2
A _____ (compost pit/manhole/sewerage pit) is a covered hole in the ground above the sewer pipelines.
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 1
Name any one infectious disease caused by stagnant sewage.
EASY
7th CBSE
IMPORTANT
SCIENCE MADE EASY>Chapter 18 - Wastewater Story>EXERCISE>Q 2
Name any one organic impurity present in sewage.