Class 7 Science MCQs - Chapter 13
Importance of Water Trivia Questions & Answers PDF Download - 16
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The Quiz: The bacteria that decompose algae take up all the; "Importance of Water" App APK Download with answers: Oxygen; Sunlight; Minerals; Useful gases in the water; to study e-learning courses. Practice Safe and Drinking Water MCQ Questions, download Kindle eBook (Free Sample) for online certifications.
Importance of Water Test Questions and Answers PDF Download: MCQ 16
The bacteria that decompose algae take up all the
- sunlight
- oxygen
- minerals
- useful gases in the water
'Water' is
- sweet
- sour
- bitter
- odorless
As compared to shower, the bath tub uses
- less water
- more water
- equal water
- not sure
Human feces stimulates the growth of
- algae
- fungi
- bacteria
- viruses
The crops that need a lot of water are
- rice and maize
- wheat and maize
- rice and wheat
- maize and other grains
Class 7 Science Mock Tests
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