The term 'Hadley cell' refers to: MCQ with Answer and Explanation

The term 'Hadley cell' refers to:
A. A type of cloud formation
B. A large-scale atmospheric circulation pattern
C. An ocean current
D. A type of cyclone
Answer: Option B
Solution (By JKExamLibrary)
A Hadley cell is a large-scale atmospheric circulation pattern where warm air rises at the equator, flows poleward at high altitudes, and sinks at the subtropics, forming the trade winds.

This question belongs to: Geography GK Climate and Weather

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Question #1 Report Error
The Coriolis effect influences the direction of winds. In which direction are winds deflected in the Northern Hemisphere?
A. Upwards
B. To the left
C. Straight
D. To the right

Correct Answer: Option D


Explanation:
The Coriolis effect deflects winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere due to Earth's rotation.

This question belongs to: Geography GK Climate and Weather
Question #2 Report Error
The polar jet stream is located at approximately:
A. 30° latitude
B. 90° latitude
C. 60° latitude
D. 10° latitude

Correct Answer: Option C


Explanation:
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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Question #3 Report Error
The Madden-Julian Oscillation (MJO) is characterized by:
A. A stationary pattern of convection
B. A westward-moving pattern of convection
C. A northward-moving pattern of convection
D. An eastward-moving pattern of convection

Correct Answer: Option D


Explanation:
The MJO is characterized by an eastward-moving pattern of enhanced and suppressed convection (thunderstorms) across the Indian and Pacific Oceans, influencing rainfall and wind patterns.

This question belongs to: Geography GK Climate and Weather