Chapter 14: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 14
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MCQ 76: The bacteria that decompose algae take up all the
MCQ 77: 'Water' is
MCQ 78: As compared to shower, the bath tub uses
MCQ 79: Human feces stimulates the growth of
MCQ 80: The crops that need a lot of water are
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