Which rock is commonly formed from compressed plant remains? MCQ with Answer and Explanation

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Which rock is commonly formed from compressed plant remains?

A. Granite

B. Coal

C. Marble

D. Basalt

Answer: Option B

Solution (By JKSSB Mock Tests)

Coal is an organic sedimentary rock formed from the accumulation and compression of plant remains over millions of years.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1

Climate differs from weather because climate refers to:

A. Ocean conditions

B. Short-term conditions

C. Daily atmospheric conditions

D. Long-term average weather conditions

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Correct Answer: Option D

Explanation:
Climate is the long-term average of weather conditions in a region, usually calculated over 30 years or more.

This question belongs to: Geography GK Physical Geography

Question #2

The largest carbon sink among Earth's spheres is:

A. Forests

B. Oceans

C. Atmosphere

D. Grasslands

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Correct Answer: Option B

Explanation:
Oceans absorb and store vast amounts of carbon dioxide, making them the largest active carbon sink.

This question belongs to: Geography GK Physical Geography

Question #3

The mantle extends up to a depth of approximately:

A. 35 km

B. 100 km

C. 2900 km

D. 6371 km

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Correct Answer: Option C

Explanation:
The mantle extends from the base of the crust to about 2900 km depth and constitutes the largest portion of Earth's volume.

This question belongs to: Geography GK Physical Geography

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