Chapter 14: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 14
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MCQ 31: The disease formed due to the drinking of water containing bacteria and viruses is known as
MCQ 32: The soil and sand is settled at the bottom in
MCQ 33: Crops grow well when they are
MCQ 34: If we don't drink water, we will eventually
MCQ 35: The largest ocean covers about
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