Which part of the Earth's mantle is semi-molten and allows tectonic plates to move? MCQ with Answer and Explanation

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Which part of the Earth's mantle is semi-molten and allows tectonic plates to move?

A. Outer Core

B. Mesosphere

C. Asthenosphere

D. Lithosphere

Answer: Option C

Solution (By JKSSB Mock Tests)

The asthenosphere is a semi-molten, plastic layer beneath the lithosphere. Tectonic plates float and move over this layer.

This question belongs to: Geography GK Physical Geography

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Which type of volcano erupts very fluid basaltic lava?

A. Shield Volcano

B. Cinder Cone

C. Composite Volcano

D. Caldera

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Correct Answer: Option A

Explanation:
Shield volcanoes are formed by repeated eruptions of fluid basaltic lava that spread over large areas.

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Which mineral is commonly known as 'China Clay'?

A. Gypsum

B. Dolomite

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Correct Answer: Option D

Explanation:
Kaolin, also called China Clay, is widely used in ceramics, paper, and porcelain industries.

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Question #3

The International Date Line is located approximately at:

A. 180° Longitude

B. 0° Longitude

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Correct Answer: Option A

Explanation:
The International Date Line generally follows the 180° meridian.

This question belongs to: Geography GK Physical Geography

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