The oldest known rocks on Earth are approximately: MCQ with Answer and Explanation

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The oldest known rocks on Earth are approximately:

A. 4 billion years old

B. 2 billion years old

C. 1 billion years old

D. 3 billion years old

Answer: Option A

Solution (By JKSSB Mock Tests)

Some of the oldest rocks discovered are over 4 billion years old.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

The rain shadow effect is best demonstrated by:

A. Atacama Desert

B. Congo Basin

C. Amazon Basin

D. Siberian Plain

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Correct Answer: Option A

Explanation:
The Atacama lies in the rain shadow of the Andes and is also influenced by a cold ocean current.

This question belongs to: Geography GK Physical Geography

Question #2

The study of earthquakes is known as:

A. Meteorology

B. Seismology

C. Volcanology

D. Geomorphology

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Correct Answer: Option B

Explanation:
Seismology is the scientific study of earthquakes and seismic waves.

This question belongs to: Geography GK Physical Geography

Question #3

El Niño is associated with abnormal warming of waters in the:

A. Eastern Pacific

B. Indian Ocean

C. Southern Ocean

D. North Atlantic

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Correct Answer: Option A

Explanation:
El Niño involves warming of surface waters in the eastern and central tropical Pacific Ocean.

This question belongs to: Geography GK Physical Geography

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