Which mineral is the hardest according to Mohs scale? MCQ with Answer and Explanation

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Which mineral is the hardest according to Mohs scale?

A. Topaz

B. Corundum

C. Diamond

D. Quartz

Answer: Option C

Solution (By JKSSB Mock Tests)

Diamond ranks 10 on the Mohs hardness scale and is the hardest naturally occurring mineral.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Climate is defined as:

A. Hourly weather conditions

B. Wind direction only

C. Average weather conditions over a long period

D. Daily weather

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Correct Answer: Option C

Explanation:
Climate is the average weather pattern of a region over a long period, usually 30 years or more.

This question belongs to: Geography GK Physical Geography

Question #2

The Wadati-Benioff zone can extend to depths of approximately:

A. 100 km

B. 1200 km

C. 250 km

D. 700 km

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Correct Answer: Option D

Explanation:
Deep-focus earthquakes in subduction zones occur along the Wadati-Benioff zone, extending to about 700 km depth.

This question belongs to: Geography GK Physical Geography

Question #3

The tundra biome is mainly found in:

A. Equatorial Regions

B. Polar Regions

C. Subtropical Regions

D. Mediterranean Regions

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Correct Answer: Option B

Explanation:
Tundra vegetation occurs in high-latitude polar regions with permafrost.

This question belongs to: Geography GK Physical Geography

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