The percentage of oxygen in the atmosphere is approximately: MCQ with Answer and Explanation

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The percentage of oxygen in the atmosphere is approximately:

A. 30%

B. 18%

C. 25%

D. 21%

Answer: Option D

Solution (By JKExamLibrary)

Oxygen constitutes approximately 20.95% of the Earth's atmosphere.

This question belongs to: Geography GK Physical Geography

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The instrument used to measure wind speed is:

A. Anemometer

B. Barometer

C. Hygrometer

D. Rain Gauge

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Correct Answer: Option A

Explanation:
An anemometer is used to measure the speed of wind.

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Question #2

Which is the highest mountain peak in the world?

A. Makalu

B. Mount Everest

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D. K2

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Correct Answer: Option B

Explanation:
Mount Everest, located in the Himalayas, is the highest mountain peak in the world at approximately 8,849 meters.

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Which Köppen climate type is represented by 'Af'?

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Correct Answer: Option D

Explanation:
Af in the Köppen classification denotes a tropical rainforest climate with rainfall throughout the year.

This question belongs to: Geography GK Physical Geography

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