Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Cultural & Historical Geography of PakistanArchaeological Sites
Where was the first underground drainage system discovered?
- A.Mesopotamian Civilization
- B.Indus Valley CivilizationCorrect answer
- C.Egyptian Civilization
- D.Chinese Civilization
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Practice these MCQs in the appQuick fact: The first underground drainage system was discovered in the Indus Valley Civilization.