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. Trade winds
B. Easterlies
C. Westerlies
D. Jet stream
Answer: Option D
Solution (By JKExamLibrary)
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
Which of the following is the major factor for the onset of the Indian monsoon?
A. Cooling of the Indian Ocean
B. Weakening of jet streams
C. Strengthening of polar winds
D. Heating of Tibetan Plateau

Correct Answer: Option D


Explanation:
The heating of the Tibetan Plateau during pre-monsoon season creates a large thermal low, drawing in moisture-laden winds from the Indian Ocean, triggering the monsoon.

This question belongs to: Geography GK Climate and Weather
Question #2
Which of the following climate types is found in the Pacific Northwest of the United States?
A. Humid continental
B. Mediterranean
C. Marine west coast
D. Subarctic

Correct Answer: Option C


Explanation:
The Pacific Northwest, including Washington and Oregon, has a marine west coast climate, with mild, wet winters and cool, relatively dry summers due to Pacific Ocean influence.

This question belongs to: Geography GK Climate and Weather
Question #3
What is the name of the phenomenon where the temperature in the tropopause is constant?
A. Temperature inversion
B. Adiabatic cooling
C. Greenhouse effect
D. Isothermal layer

Correct Answer: Option D


Explanation:
The tropopause is an isothermal layer, meaning the temperature is constant with altitude.

This question belongs to: Geography GK Climate and Weather