Class 7 Science MCQs - Chapter 13
Importance of Water Quiz Questions & Answers PDF Download - 3
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The Quiz: In our body, percentage of water is; "Importance of Water" App (iOS, Android) with answers: 0.6, 0.5, 0.7, and 0.9 to learn homeschool online courses. Study Water and life MCQ Questions, download Amazon eBook (Free Sample) for school certificate.
Importance of Water Exam Questions and Answers PDF Download: Test 3
In our body, percentage of water is
- 0.5
- 0.6
- 0.7
- 0.9
An addition of small dose of chlorine gas to the filtered water is known as
- coagulation
- sedimentation
- filtration
- chlorination
Skin diseases, eye infections and diarrhea are the examples of
- water borne diseases
- water washed diseases
- water related diseases
- anti water diseases
The process in which water is passed through filter beds of sand and gravel to remove smaller particles of dust is called
- coagulation
- sedimentation
- filtration
- chlorination
The sea which joins the ocean is
- Arabian sea
- Mediterranean sea
- Red sea
- Black sea
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