Chapter 14: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 14
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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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