What is the name of the phenomenon where the temperature in the thermosphere increases with altitude? MCQ with Answer and Explanation

What is the name of the phenomenon where the temperature in the thermosphere increases with altitude?
A. Greenhouse effect
B. Solar radiation absorption
C. Adiabatic cooling
D. Temperature inversion
Answer: Option B
Solution (By JKSSB Mock Tests)
The increase in temperature with altitude in the thermosphere is due to the absorption of solar radiation by the few gas molecules present.

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Which of the following is NOT a primary pollutant?
A. Sulfur dioxide
B. Carbon monoxide
C. Ozone
D. Nitrogen oxides

Correct Answer: Option C


Explanation:
Ozone is not a primary pollutant; it is a secondary pollutant. Primary pollutants are emitted directly into the atmosphere, such as carbon monoxide, sulfur dioxide, and nitrogen oxides.

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The polar jet stream is located at approximately:
A. 60° latitude
B. 10° latitude
C. 30° latitude
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Correct Answer: Option A


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The polar jet stream is found at the boundary between the Ferrel and Polar cells, approximately at 60° latitude in both hemispheres.

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The Pacific-North American (PNA) pattern is a climate pattern that affects:
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D. The eastern United States and Canada

Correct Answer: Option C


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The Pacific-North American (PNA) pattern is a climate pattern that affects the western United States and Canada, influencing temperature, precipitation, and storm tracks across the region.

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