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An aquifer which is underlain by an impermeable layer at the bottom and not… — Answer & Solution | Civexa

Hydrology · Groundwater Hydrology

Groundwater Hydrology MCQ with answer and solution

An aquifer which is underlain by an impermeable layer at the bottom and not confined at the top is known as

Solution

Concept

Unconfined aquifer

Step-by-step solution

1. An aquifer with an impermeable base and free water surface at top is unconfined.

Explanation

Its upper surface is the water table.

Why the other options are wrong

Confined aquifers have a cap.

Shortcut

Unconfined.

Correct answer: B) Unconfined aquifer

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