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wastewater story questions with answers




Question 1.
Name two diseases that can spread because of lack of sanitation?

Question 2.
What is sludge?

Question 3.
Why is air along with microorganisms bubbled into the sewage treatment tanks?

Question 4.
What will you do to reduce household waste water?

Question 5.
A septic tank is a mini sewage treatment plant. Explain?

Question 6.
Why are open drainage systems harmful?

Question 7.
Why does untreated wastewater kill fish?

Question 8.
A lot of dead fish were found floating on the surface of a lake. What could be the reason?

Question 9.
How can you control the generation of sewage at home?

Question 10.
Explain the importance of sanitation?
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Also Read




Reference Books for class 7 Science

Given below are the links of some of the reference books for class 7 math.

  1. Science for Class 7 by Lakhmir Singh
  2. Science Foundation Course For JEE/NEET/NSO/Olympiad - Class 7
  3. CBSE All In One Science Class 7 by Arihant Experts (Author)
  4. IIT Foundation Physics, Chemistry & Maths for Class 7

You can use above books for extra knowledge and practicing different questions.



Class 7 Maths Class 7 Science





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