Class 7 Science MCQs - Chapter 13
Importance of Water Trivia Questions & Answers PDF Download - 8
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The Quiz: Scientists believe that eight out of ten people in under developed countries suffer from diseases due to; "Importance of Water" App APK Download with answers: Bacterial food; Polluted water; Contaminated food; Salty water; for homeschool certificate courses. Practice Safe and Drinking Water MCQ Questions, download Kindle eBook (Free Sample) for online classes.
Importance of Water Test Questions and Answers PDF Download: MCQ 8
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
Trachoma is caused due to the presence of
- insects
- bacteria
- viruses
- parasites
In snowy regions, most of the fresh water is in the form of
- vapors
- snow
- ice
- all of above
Untreated sewage should not be pumped into
- water tanks
- water reservoirs
- rivers and streams
- oceans
The water bodies smaller than oceans are known as
- lakes
- ponds
- seas
- rivers
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