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Geomorphology - Geography Objective Questions with Answers | Page-25

Questions
121 Barchans are formed due to
A River erosion
B Wind erosion
C Wind deposition
D Glacial erosion

Answer: Option [C]

Barchans are formed due to Wind deposition. Barchans face the wind, appear convex, and are primarily formed by the wind from one direction. They are arc-shaped, significantly asymmetrical in cross-section, with a gradual slope facing the wind sand ridge, and made out of well-sorted sand. They are found in sandy deserts all over the world.

122 Sea caves are a creation of
A Wind deposition
B Glacial erosion
C Wave erosion
D Wave deposition

Answer: Option [C]

Sea caves are a creation of Wave erosion. Sea caves or littoral caves are formed primarily from erosion caused by waves. They can be formed along the ocean coast and lakeshores where water impacts bedrock.

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123 A lava shield is formed by
A Wind action
B Intrusive volcanicity
C Extrusive volcanicity
D None of the above

Answer: Option [C]

A lava shield is formed by Extrusive volcanicity. Extrusive igneous landforms are the result of magma coming from deep within the earth to the surface, where it cools as lava.

124 Metamorphic rocks are formed under
A High pressure and high temperature
B Low pressure and low temperature
C High pressure and low temperature
D None of the above

Answer: Option [A]

Metamorphic rocks are formed under High pressure and high temperature. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.

125 The Dead Sea is located in a
A Rift valley
B Canyon
C Intermontane plateau
D Intermontane plain

Answer: Option [A]

The Dead Sea is located in a Rift valley. The northern part of the system is the Jordan Rift Valley. The Jordan Rift Valley stretches from the Golan Heights, near Israel's border with Syria and Lebanon, to the Dead Sea, to the Gulf of Aqaba.

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