The Earth's crust is richest in which element by weight? MCQ with Answer and Explanation

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The Earth's crust is richest in which element by weight?

A. Aluminium

B. Oxygen

C. Iron

D. Silicon

Answer: Option B

Solution (By JKSSB Mock Tests)

Oxygen constitutes about 46.6% of the Earth's crust by weight, making it the most abundant element.

This question belongs to: Geography GK Physical Geography

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The Ferrel Cell operates between:

A. 0°–30°

B. 15°–45°

C. 30°–60°

D. 60°–90°

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Correct Answer: Option C

Explanation:
The Ferrel Cell is the middle-latitude atmospheric circulation cell between 30° and 60°.

This question belongs to: Geography GK Physical Geography

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A butte differs from a mesa because it is:

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Correct Answer: Option A

Explanation:
A butte is essentially a smaller version of a mesa with a narrow flat top.

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Coral reefs grow best in:

A. Warm Shallow Water

B. Polar Regions

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Correct Answer: Option A

Explanation:
Corals require warm, clear, shallow, and sunlit seawater to thrive.

This question belongs to: Geography GK Physical Geography

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