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Class 7 Science MCQs – Practice Test 8 (Chapter 13)
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Learn Importance of water Notes Questions and Answers PDF to maximize academic performance. Download the Importance of Water Quiz Answers PDF e-Book, Ch. 13-8 to study Class 7 Science Course. Practice Safe and Drinking Water MCQ PDF, Importance of Water Quiz Questions and Answers to maximize academic performance. Download the Importance of Water App: Free Class 7 Science Notes App to safe and drinking water, fresh water, sewage system, water everywhere test prep to solve science problems online.
Free Importance of Water Notes App Download: Trachoma is caused due to the presence of; MCQ with answers: bacteria, insects, viruses, and parasites. Practice Safe and Drinking Water MCQ Questions, download Kobo e-Book (Free Chapter) to join online courses.
MCQ 36: Scientists believe that eight out of ten people in under developed countries suffer from diseases due to:
MCQ 37: Trachoma is caused due to the presence of:
MCQ 38: In snowy regions, most of the fresh water is in the form of:
MCQ 39: Untreated sewage should not be pumped into:
MCQ 40: The water bodies smaller than oceans are known as:
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Class 7 Science e-Book PDF with Notes
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