What is municipal sewage?

Important Questions on Waste Management

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q A

What are ‘black water’ and ‘grey water’ in the context of sewage?

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q A

What are the three sources of liquid waste?

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q A

What do you understand by ‘treating’ waste water?

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q A

Mention one use that the sludge from sewage treatment can be put to.

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q A

Mention two things we can do to reduce the burden on the wastewater disposal system.

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q B

What are the problems with having open rainwater drains?

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q B

Why has it become important for us to find ways of managing the waste we generate?

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 18 - Waste Management>Exercises>Q B

What happens during the primary stage of sewage treatment?