CBSE Class 7 Science Waste water Set 02

Practice Worksheets for Class 7 Science: Chapter 18 Wastewater Story

Access printable practice worksheets for Chapter 18 Wastewater Story designed to align with the 2026-27 academic syllabus for Class 7 Science. These structured exercises help students evaluate their conceptual understanding and improve exam readiness.

Practice Chapter 18 Wastewater Story Worksheets for Class 7 Science

View or download the dedicated Chapter 18 Wastewater Story practice resource below. Engaging with these objective and subjective questions daily ensures continuous academic progress and mastery of the 2026-27 curriculum.

TOPIC: WASTE WATER STORY

 

Q.1.What is sewage?
 
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Q.2. Name some contaminants found in sewage.
 
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Q.3.Give reasons.
 
a) Oil and fats such as cooking oils, solid food remains, plastic bags, toys etc. should never be thrown in a drain.
 
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b) Chemicals such as paints, medicines, insecticides should not be thrown into drains.
 
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c) During the treatment of waste water, air is pumped into it.
 
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d) Untreated human excreta is a health hazard.
 
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Q.4. List the four steps involved in waste water treatment.
 
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Q.5.What do you understand by the term sewerage?
 
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Q.6.What is the use of manholes provided in the sewerage?
 
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Q.7.What is the use of skimmer in a waste-water treatment plant?
 
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Q.8. How is sludge decomposed in a waste-water treatment plant?
 
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Q.9. Name any two chemicals used to disinfect water.
 
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Q.10. Name any four onsite sewage disposal systems suitable for rural areas.
 
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Please click on below link to download CBSE Class 7 Science Waste water Set B

Free study material for Science

Chapter 18 Wastewater Story Practice Sheet and Solutions for Class 7 Science

Chapter 18 Wastewater Story Printable Worksheet for Class 7 Science

Explore reliable practice questions for Chapter 18 Wastewater Story tailored for Class 7 Science learners. Use these structured worksheets to evaluate preparedness and strengthen problem-solving skills.

How to Use These Practice Sheets

Each worksheet is structured around standard CBSE textbooks, allowing students to check their working steps and correct mistakes early in their revision.

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Wrap up your chapter revision by testing your knowledge against standard question formats. Everything on our platform is provided free of charge.

FAQs

Where can I download the latest PDF for CBSE Class 7 Science Waste water Set 02?

You can download the teacher-verified PDF for CBSE Class 7 Science Waste water Set 02 from StudiesToday.com. These practice sheets for Class 7 Science are designed as per the latest CBSE academic session.

Are these Science Class 7 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 7 Science Waste water Set 02 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 7.

Do you provide solved answers for CBSE Class 7 Science Waste water Set 02?

Yes, we have provided detailed solutions for CBSE Class 7 Science Waste water Set 02 to help Class 7 and follow the official CBSE marking scheme.

How does solving CBSE Class 7 Science Waste water Set 02 help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 7 students get more marks in CBSE exams.

Is there any charge for the Class 7 Science practice test papers?

All our Class 7 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 7 Science Waste water Set 02 without any registration.