What is the name of the phenomenon where the wind blows at an angle to isobars due to friction? MCQ with Answer and Explanation

What is the name of the phenomenon where the wind blows at an angle to isobars due to friction?
A. Geostrophic wind
B. Surface wind
C. Thermal wind
D. Gradient wind
Answer: Option B
Solution (By JKSSB Mock Tests)
Surface winds blow at an angle to isobars (towards lower pressure) due to friction with the Earth's surface, which reduces the Coriolis force.

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Practice More Climate and Weather Questions

Question #1
Which of the following is the primary reason for the high rainfall in the Arabian Sea region?
A. Cyclones
B. Orographic effect of the Western Ghats
C. All of the above
D. Southwest Monsoon

Correct Answer: Option C


Explanation:
The Arabian Sea region receives high rainfall due to the Southwest Monsoon, the orographic effect of the Western Ghats, and cyclonic activity.

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Question #2
Which of the following instruments is used to measure atmospheric pressure?
A. Barometer
B. Anemometer
C. Hygrometer
D. Thermometer

Correct Answer: Option A


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A barometer is an instrument used to measure atmospheric pressure. Anemometer measures wind speed, hygrometer measures humidity, and thermometer measures temperature.

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Question #3
Which of the following jet streams affects the weather in India?
A. Subtropical jet stream
B. Polar jet stream
C. All of the above
D. Tropical easterly jet

Correct Answer: Option C


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India is affected by multiple jet streams: the polar jet and subtropical jet in winter influence Western Disturbances, and the tropical easterly jet in summer affects the monsoon.

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