What is an artificial channel for conveying water, typically in the form of a bridge across a valley or other gap called?

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

Canals

Tunnel

Aqueduct

Aquifer

Correct Answer : Aqueduct

Explanation : A body of permeable rock which can contain or transmit groundwater is called aquifer. A small duct in the body of fluids is called an aqueduct. The canal is an artificial tubular duct for the inland waterways.

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What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?

Algae growth

Eutrophication

Denitrification

Nitrification

Correct Answer : Option (B) : Eutrophication

Explanation : Eutrophication is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of water quality. The untreated wastewater is rich in organic matter which demands oxygen.