Atmospheric Pressure and Wind MCQs (Meterology)

What instrument is used to measure atmospheric pressure?
- A) Thermometer
- B) Anemometer
- C) Barometer
- D) Hygrometer
  Answer: C) Barometer
What is the unit of measurement for atmospheric pressure?
- A) Meters
- B) Pascals
- C) Kilometers
- D) Newtons
  Answer: B) Pascals
What is the typical atmospheric pressure at sea level?
- A) 1013.25 hPa
- B) 500 hPa
- C) 2000 hPa
- D) 750 hPa
  Answer: A) 1013.25 hPa
What term refers to a region of high atmospheric pressure?
- A) Cyclone
- B) Anticyclone
- C) Tornado
- D) Hurricane
  Answer: B) Anticyclone
Which direction do winds blow around a low-pressure system in the Northern Hemisphere?
- A) Clockwise
- B) Counterclockwise
- C) Northward
- D) Southward
  Answer: B) Counterclockwise
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
  Answer: B) Pressure gradient winds
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
  Answer: B) The deflection of moving objects due to Earth’s rotation
What are isobars?
- A) Lines of equal temperature
- B) Lines of equal pressure
- C) Lines of equal humidity
- D) Lines of equal wind speed
  Answer: B) Lines of equal pressure
In which layer of the atmosphere does the majority of wind movement occur?
- A) Troposphere
- B) Stratosphere
- C) Mesosphere
- D) Thermosphere
  Answer: A) Troposphere
Which global wind belt is responsible for the trade winds?
- A) Westerlies
- B) Polar easterlies
- C) Hadley cell
- D) Subtropical jet
  Answer: C) Hadley cell
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
  Answer: C) From the northeast
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
  Answer: D) All of the above
What happens to atmospheric pressure as altitude increases?
- A) It increases
- B) It decreases
- C) It remains constant
- D) It fluctuates randomly
  Answer: B) It decreases
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
  Answer: B) Winds that flow parallel to isobars
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
  Answer: A) Wind blowing from the sea toward land during the day
What is the name of strong, fast-moving winds in the upper atmosphere?
- A) Trade winds
- B) Jet streams
- C) Monsoons
- D) Cyclones
  Answer: B) Jet streams
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
  Answer: B) Sea breeze
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
  Answer: B) Cyclones are low-pressure systems, anticyclones are high-pressure systems
Which type of pressure system is generally associated with calm, clear weather?
- A) Low pressure
- B) High pressure
- C) Cyclone
- D) Frontal system
  Answer: B) High pressure
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
  Answer: B) Easterlies
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
  Answer: B) Trade winds
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
  Answer: B) A wind that blows from the land toward the sea at night
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
  Answer: A) A wind that blows from a mountain to a valley at night
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
  Answer: B) Westerlies
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
  Answer: D) Earth’s magnetic field
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
  Answer: C) They rise and cool
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
  Answer: A) A calm area of high pressure near 30 degrees latitude
Which type of wind is common in deserts and brings hot, dry conditions?
- A) Chinook
- B) Foehn
- C) Harmattan
- D) Bora
  Answer: C) Harmattan
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
  Answer: B) The force that causes air to move from areas of high pressure to low pressure

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