Q422
The world's first drainage system was built by the people of
A.
Egyptian civilization
B.
Indus Valley civilization
AnswerC.
Chinese civilization
D.
Mesopotamian civilization
Answer: Option B
Solution
Answer: Option B
Solution:
Indus Valley Civilisation System of underground drainage was the most unique feature of town planning in the Indus Valley Civilization. It is regarded as oldest drainage system having prominent features such as covering of Slab and Manhole.