MEDIUM
7th CBSE
IMPORTANT
Earn 100

In a sewage treatment plant, at which level sewage gets treated faster as compared to other levels and why?

Important Questions on Waste Management

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 2
Water-borne diseases increase in those areas which have faulty pipelines. Why? What can be the consequences of these diseases?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 3
How can incineration be a better option than burning of wastes?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 4
What are bio-toilets and what are their advantages?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 5
Why are rivers like Yamuna and Ganga regarded as open flowing sewers?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 6
What has the government done to prevent urination and defecation in open areas?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 7
Why is it said that clean water is not available to all?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 8
What is eutrophication? How does this occur?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 16 - Waste Management>EVALUATE>Q 1
Give a reason for the following:
Clarified water contains chlorine.