Importance of Water Multiple Choice Questions and Answers 8 PDF Book Download
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MCQs on Importance of Water Worksheets 8 PDF Book Download
MCQ: Scientists believe that eight out of ten people in under developed countries suffer from diseases due to ?
- polluted water
- bacterial food
- contaminated food
- salty water
MCQ: Trachoma is caused due to presence of
MCQ: In snowy regions, most of fresh water is in form of
- all of above
MCQ: Untreated sewage should not be pumped into
- water tanks
- water reservoirs
- rivers and streams
MCQ: Water bodies smaller than oceans are known as