Class 7 Science MCQs - Chapter 14
Importance of Water Quiz Questions and Answers PDF - 3
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The Quiz: In our body, percentage of water is; "Importance of Water" App Download iOS & Android (Free) with answers 0.6, 0.5, 0.7 and 0.9 to learn homeschool online courses. Study water and life quiz questions, download Amazon eBook (Free Sample) for school certificate.
Importance of Water Questions & Answers PDF Download: MCQ Quiz 3
MCQ 11: In our body, percentage of water is
- 0.5
- 0.6
- 0.7
- 0.9
MCQ 12: An addition of small dose of chlorine gas to the filtered water is known as
- coagulation
- sedimentation
- filtration
- chlorination
MCQ 13: Skin diseases, eye infections and diarrhea are the examples of
- water borne diseases
- water washed diseases
- water related diseases
- anti water diseases
MCQ 14: 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
MCQ 15: The sea which joins the ocean is
- Arabian sea
- Mediterranean sea
- Red sea
- Black sea
Class 7 Science Mock Tests
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