Which geologic eon occupies the largest portion of Earth's history? MCQ with Answer and Explanation

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Which geologic eon occupies the largest portion of Earth's history?

A. Phanerozoic

B. Proterozoic

C. Precambrian

D. Archean

Answer: Option C

Solution (By JKSSB Mock Tests)

The Precambrian accounts for nearly 88% of Earth's geological history.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Which strait separates Asia and Africa?

A. Bab-el-Mandeb

B. Bering Strait

C. Malacca Strait

D. Bosporus Strait

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Correct Answer: Option A

Explanation:
Bab-el-Mandeb connects the Red Sea with the Gulf of Aden and separates Asia from Africa.

This question belongs to: Geography GK Physical Geography

Question #2

The rain shadow effect is best demonstrated by:

A. Congo Basin

B. Atacama Desert

C. Siberian Plain

D. Amazon Basin

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Correct Answer: Option B

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 #3

Which mountain is known as the highest free-standing mountain in the world?

A. Denali

B. K2

C. Kilimanjaro

D. Everest

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Correct Answer: Option C

Explanation:
Mount Kilimanjaro rises independently from surrounding plains and is the world's highest free-standing mountain.

This question belongs to: Geography GK Physical Geography

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