Atmospheric Pressure and Wind MCQs (Meterology)

1. What instrument is used to measure atmospheric pressure?
(A) Thermometer
(B) Anemometer
(C) Barometer
(D) Hygrometer

2. What is the unit of measurement for atmospheric pressure?
(A) Meters
(B) Pascals
(C) Kilometers
(D) Newtons

3. What is the typical atmospheric pressure at sea level?
(A) 1013.25 hPa
(B) 500 hPa
(C) 2000 hPa
(D) 750 hPa

4. What term refers to a region of high atmospheric pressure?
(A) Cyclone
(B) Anticyclone
(C) Tornado
(D) Hurricane

5. Which direction do winds blow around a low-pressure system in the Northern Hemisphere?
(A) Clockwise
(B) Counterclockwise
(C) Northward
(D) Southward

6. Which type of wind blows from high-pressure areas to low-pressure areas?
(A) Trade winds
(B) Pressure gradient winds
(C) Monsoon winds
(D) Jet streams

7. What is the Coriolis effect?
(A) The force that causes winds to move directly from poles to the equator
(B) The deflection of moving objects due to Earth’s rotation
(C) The process of cloud formation
(D) The slowing of wind speeds near mountains

8. What are isobars?
(A) Lines of equal temperature
(B) Lines of equal pressure
(C) Lines of equal humidity
(D) Lines of equal wind speed

9. In which layer of the atmosphere does the majority of wind movement occur?
(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Thermosphere

10. Which global wind belt is responsible for the trade winds?
(A) Westerlies
(B) Polar easterlies
(C) Hadley cell
(D) Subtropical jet

11. What is the general direction of trade winds in the Northern Hemisphere?
(A) From the northwest
(B) From the southwest
(C) From the northeast
(D) From the southeast

12. What causes wind to blow in different directions across Earth?
(A) Uneven heating of the Earth’s surface
(B) The Coriolis effect
(C) Friction with Earth’s surface
(D) All of the above

13. What happens to atmospheric pressure as altitude increases?
(A) It increases
(B) It decreases
(C) It remains constant
(D) It fluctuates randomly

14. What are geostrophic winds?
(A) Winds influenced only by the Coriolis effect
(B) Winds that flow parallel to isobars
(C) Winds that blow directly from high to low pressure
(D) Winds unaffected by Earth’s rotation

15. What is a sea breeze?
(A) Wind blowing from the sea toward land during the day
(B) Wind blowing from land toward the sea at night
(C) A wind associated with storm systems
(D) A global wind that forms over oceans

16. What is the name of strong, fast-moving winds in the upper atmosphere?
(A) Trade winds
(B) Jet streams
(C) Monsoons
(D) Cyclones

17. Which phenomenon occurs when warm air rises over land, creating low pressure, and cool air from the sea moves in to replace it?
(A) Land breeze
(B) Sea breeze
(C) Valley breeze
(D) Mountain breeze

18. What is the difference between a cyclone and an anticyclone?
(A) Cyclones have higher pressure, anticyclones have lower pressure
(B) Cyclones are low-pressure systems, anticyclones are high-pressure systems
(C) Cyclones move air upward, anticyclones move air downward
(D) Cyclones form over oceans, anticyclones form over land

19. Which type of pressure system is generally associated with calm, clear weather?
(A) Low pressure
(B) High pressure
(C) Cyclone
(D) Frontal system

20. Which term refers to winds that blow from east to west in the polar regions?
(A) Westerlies
(B) Easterlies
(C) Trade winds
(D) Polar jet stream

21. Which winds are known for blowing steadily from subtropical high-pressure zones toward the equator?
(A) Westerlies
(B) Trade winds
(C) Monsoons
(D) Polar easterlies

22. What is a land breeze?
(A) A wind that blows from the land toward the sea during the day
(B) A wind that blows from the land toward the sea at night
(C) A wind that blows from the sea toward the land at night
(D) A global wind belt in the tropics

23. What is a mountain breeze?
(A) A wind that blows from a mountain to a valley at night
(B) A wind that blows from a valley to a mountain during the day
(C) A wind formed due to the Coriolis effect
(D) A wind that occurs only in tropical regions

24. Which global wind pattern is found between 30 and 60 degrees latitude in both hemispheres?
(A) Trade winds
(B) Westerlies
(C) Easterlies
(D) Jet streams

25. Which of the following is NOT a factor that influences wind speed and direction?
(A) Pressure gradient force
(B) Coriolis effect
(C) Friction
(D) Earth’s magnetic field

26. What happens to winds as they approach a mountain range?
(A) They accelerate
(B) They decelerate
(C) They rise and cool
(D) They become warmer

27. What is the “horse latitudes”?
(A) A calm area of high pressure near 30 degrees latitude
(B) A windy region near the poles
(C) The area of trade winds around the equator
(D) A zone of low pressure at the equator

28. Which type of wind is common in deserts and brings hot, dry conditions?
(A) Chinook
(B) Foehn
(C) Harmattan
(D) Bora

29. What is the “pressure gradient force”?
(A) The force that moves air from areas of low pressure to high pressure
(B) The force that causes air to move from areas of high pressure to low pressure
(C) The force caused by Earth’s rotation
(D) The force that slows winds near Earth’s surface