What is the name of the boundary between the thermosphere and the exosphere? MCQ with Answer and Explanation

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What is the name of the boundary between the thermosphere and the exosphere?

A. Tropopause

B. Mesopause

C. Thermopause

D. Stratopause

Answer: Option C

Solution (By JKSSB Mock Tests)

The thermopause is the boundary between the thermosphere and the exosphere.

This question belongs to: Geography GK Climate and Weather

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Which of the following is the primary reason for the 'Little Ice Age'?

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C. Solar variability and volcanic eruptions

D. Greenhouse gas emissions

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Correct Answer: Option C

Explanation:
The 'Little Ice Age' (roughly 1300-1850) was a period of cooling in the Northern Hemisphere, thought to be caused by decreased solar activity (sunspot minimums) and increased volcanic eruptions that reduced solar radiation.

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Correct Answer: Option A

Explanation:
Cherrapunji in Meghalaya is one of the wettest places on Earth, receiving over 11,000 mm of rainfall annually, second only to Mawsynram.

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Correct Answer: Option B

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The polar easterlies are formed by the Polar cell circulation, where air flows from the poles towards the subtropics.

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