What is the name of the high-altitude, fast-flowing air current that influences global weather patterns? MCQ with Answer and Explanation

What is the name of the high-altitude, fast-flowing air current that influences global weather patterns?
A. Jet stream
B. Trade winds
C. Westerlies
D. Easterlies
Answer: Option A
Solution (By JKSSB Mock Tests)
The jet stream is a narrow, fast-flowing air current in the upper atmosphere that flows from west to east and significantly influences weather patterns around the world.

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Practice More Climate and Weather Questions

Question #1
What is the name of the boundary between the mesosphere and the thermosphere?
A. Tropopause
B. Mesopause
C. Stratopause
D. Thermopause

Correct Answer: Option B


Explanation:
The mesopause is the boundary between the mesosphere and the thermosphere.

This question belongs to: Geography GK Climate and Weather
Question #2
During the winter solstice in the Northern Hemisphere, the Sun's rays are directly overhead at:
A. The Arctic Circle
B. The Tropic of Cancer (23.5°N)
C. The Tropic of Capricorn (23.5°S)
D. The equator

Correct Answer: Option C


Explanation:
During the winter solstice (around December 21), the Sun's rays are directly overhead at the Tropic of Capricorn (23.5°S), marking the shortest day of the year in the Northern Hemisphere.

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Question #3
What is the major cause of the ozone hole?
A. Volcanic eruptions
B. Chlorofluorocarbons (CFCs)
C. Greenhouse gas emissions
D. Deforestation

Correct Answer: Option B


Explanation:
The ozone hole is primarily caused by Chlorofluorocarbons (CFCs) and other ozone-depleting substances, which release chlorine and bromine atoms that catalyze the destruction of ozone in the stratosphere.

This question belongs to: Geography GK Climate and Weather