What is sewage?

Important Questions on Waste Management

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 3

How can we control the sewage generation?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 3

What would happen if sewage is not treated properly?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 4

Define contaminants. What are the various contaminants present in sewage? Explain.

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q a)

As an alternative sewage disposal systems for human waste, which of these toilets can provide high-quality manure?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q b)

As an alternative sewage disposal systems for human waste, which of these toilets are used in aeroplanes?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q c)

As an alternative sewage disposal systems for human waste, which of these toilets are used where water supply is limited or not available at all?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q d)

As an alternative sewage disposal systems for human waste, which of these toilets is most likely to contaminate the water of a hand-pump installed nearby?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 1

You go shopping and buy a soft toy. After coming home, you remove the plastic wrapping paper. You throw the plastic carelessly on the road. What will be the consequences of your carelessness and how can you make sure it should not be done?