Class 7 Science MCQs - Chapter 13
Importance of Water Quiz Questions & Answers PDF Download - 19
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Importance of Water Exam Questions and Answers PDF Download: Test 19
The worst disease of the water-related diseases is
- typhoid
- diarrhea
- bilharzia
- hepatitis
Fertilizers that are washed away into rivers help in formation of
- algae
- fungi
- fungus
- all of them
The mortality rate in children due to polluted water or lack of water is
- 14000
- 35000
- 70000
- 90000
The spread of a disease through drinking water that is caused by water parasites, is known as
- water-borne disease
- water-washed disease
- water-related disease
- anti water disease
A larvae of a worm can get into the human body even by
- ears
- eyes
- skin
- nose
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