MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give a reason for the following:
Clarified water contains chlorine.

Important Questions on Waste Management

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 1
Give reasons for the following:
Throwing of polythene on roads can be lead to serious problems.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 1
Give reasons for the following:
Human excreta or any other animal excreta should be disposed off properly.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 1
Give reasons for the following:
It is said that it is a good option to plant eucalyptus trees along the sewage ponds.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 2
Wastewater treatment plant treats sewage water or wastewater and sends it to our homes for reuse. Explain how water treatment plant works.
EASY
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 3
What is sewage?
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.