Which instrument is used to record earthquakes? MCQ with Answer and Explanation

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Which instrument is used to record earthquakes?

A. Hygrometer

B. Anemometer

C. Barometer

D. Seismograph

Answer: Option D

Solution (By JKSSB Mock Tests)

A seismograph records seismic waves generated by earthquakes.

This question belongs to: Geography GK Physical Geography

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Question #1

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The meeting place of cold and warm ocean currents is generally associated with:

A. Desert Formation

B. Rich Fishing Grounds

C. Volcanic Activity

D. Earthquakes

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Correct Answer: Option B

Explanation:
Mixing of warm and cold currents increases nutrients, creating productive fishing grounds.

This question belongs to: Geography GK Physical Geography

Question #2

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Which mineral is the principal ore of zinc?

A. Sphalerite

B. Magnetite

C. Galena

D. Chromite

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Correct Answer: Option A

Explanation:
Sphalerite (ZnS) is the most important ore of zinc and is widely mined across the world.

This question belongs to: Geography GK Physical Geography

Question #3

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Which layer of the atmosphere is known as the 'weather-making layer'?

A. Ionosphere

B. Mesosphere

C. Exosphere

D. Troposphere

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Correct Answer: Option D

Explanation:
The troposphere contains water vapor and is where weather processes occur.

This question belongs to: Geography GK Physical Geography

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