Class 7 Science MCQs - Chapter 13
Importance of Water Trivia Questions & Answers PDF Download - 4
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The Importance of water Trivia Questions and Answers PDF (importance of water Quiz Answers PDF e-Book) download Ch. 13-4 to study Grade 7 Science Course. Practice Water Everywhere MCQ PDF, Importance of Water Quiz Questions and Answers to learn online homeschool courses. The Importance of Water Trivia App Download: Free certification app for water everywhere, saving water, safe and drinking water, water treatment test prep for online elementary school classes.
The Quiz: Water of oceans and seas is; "Importance of Water" App APK Download with answers: Bitter; Sour; Sweet; Salty; to learn online homeschool courses. Practice Water Everywhere MCQ Questions, download Kindle eBook (Free Sample) for distance learning.
Importance of Water Test Questions and Answers PDF Download: MCQ 4
Water of oceans and seas is
- sour
- bitter
- sweet
- salty
The average depth of the largest ocean is
- 1000 meters
- 2000 meters
- 3000 meters
- 4000 meters
Water can be kept pure if we throw
- litter in the trash
- litter near a stream
- litter near a pond
- pour waste oil in rivers
Fish in the ponds and lakes die because the algae
- takes all the minerals from water
- takes all the oxygen from water
- prevents sunlight to enter water
- prevent from respiring
Huge strainers are used to
- force water to the treatment plant
- increase the water pressure
- filter large particles in the water
- filter bacteria and other harmful organisms
Class 7 Science Mock Tests
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