MCQ on Winds

1. What mainly causes the movement of air molecules, resulting in the formation of winds?
(a). Solar radiation
(b). Pressure difference
(c). Rotation of the earth
(d). Geographical terrain

Answer
           B

2. What are the two primary characteristics used to define winds?
(a). Temperature and pressure
(b). Speed and altitude
(c). Direction and speed
(d). Density and humidity

Answer
           C

3. Which factor does not affect wind speed?
(a). Friction
(b). Solar heating
(c). Coriolis effect
(d). Centripetal force

Answer
           C

4. What effect does friction have on air near the ground?
(a). Increases the speed of air
(b). The direction of the wind changes
(c). Wind speed decreases
(d). Wind variability increases

Answer
           C

5. What types of winds are affected by small scale temperature and pressure gradients?
(a). Planetary winds
(b). Seasonal winds
(c). Local winds
(d). Jet streams

Answer
           C

6. Where are jet streams generally located?
(a). Lower troposphere
(b). Lower stratosphere
(c). Upper troposphere
(d). Middle atmosphere

Answer
           C

7. What role do jet streams play in aviation?
(a). They create disturbance
(b).They reduce fuel efficiency
(c). They provide tailwinds
(d). They slow down the plane

Answer
           C

8. Which factor is not affected by jet stream pattern?
(a). Weather system
(b). Aviation route
(c). Ocean currents
(d). Climate dynamics

Answer
           C

9. Which types of winds blow continuously in specific directions on the Earth’s surface?
(a). Seasonal winds
(b). Planetary winds
(c). Local winds
(d). Jet streams

Answer
           B

10. Which of the following is not a type of planetary wind?
(a). Trade winds
(b). Westerly winds
(c). Polar easterly winds
(d). Monsoon winds

Answer
           D

11. What causes deflection in the path of moving objects including air masses?
(a). Pressure gradient
(b). Coriolis effect
(c). Friction force
(d). Centripetal force

Answer
           B

12. What type of air is affected by changes in solar heating patterns?
(a). Planetary winds
(b). Seasonal winds
(c). Local winds
(d). Jet streams

Answer
           B

13. In cyclones, which force pulls the air inwards towards the center of rotation?
(a). Centripetal force
(b). Friction force
(c). Pressure gradient force
(d). Coriolis force

Answer
           A

14. Which type of wind exhibits short-term and local effects on weather conditions?
(a). Planetary winds
(b). Seasonal winds
(c). Local winds
(d). Jet streams

Answer
           C

15. What is the primary role of the jet stream in influencing weather patterns?
(a). Distribution of rainfall
(b). Driving weather system
(c). Shaping ocean currents
(d). Controlling extreme temperatures

Answer
           B

16. What is the primary reason pilots use the jet stream?
(a). To avoid disturbance
(b). To increase fuel consumption
(c). Optimizing flight routes
(d). Reducing travel time

Answer
           C

17. What does the Coriolis effect affect?
(a). Wind speed
(b). Wind direction
(c). Air pressure
(d). Density of air

Answer
           B

18. Which factor creates a pressure gradient, which causes the movement of air?
(a). Solar heating
(b). Rotation of the Earth
(c). Geographical terrain
(d). Difference in pressure

Answer
           D

19. What types of winds blow in relatively limited geographical areas?
(a). Planetary winds
(b). Seasonal winds
(c). Local winds
(d). Jet streams

Answer
           C

20. What is the reason for the rotation of the Earth?
(a). Planetary winds
(b). Coriolis effect
(c). Friction force
(d). Jet streams

Answer
           B

21. What types of wind systems are the trade winds, westerlies and polar easterlies?
(a). Seasonal winds
(b). Local winds
(c). Planetary winds
(d). Jet streams

Answer
           C

22. What is the role of friction in wind dynamics?
(a). To increase the speed of wind
(b). To change the direction of the wind
(c). To reduce wind variability
(d). Increasing wind turbulence

Answer
           B

23.Which factor affects the behavior of winds but not their speed?
(a). Friction
(b). Pressure gradient
(c). Coriolis effect
(d). Centripetal force

Answer
           C

24. What types of winds are affected by changes in solar heating patterns?
(a). Planetary winds
(b). Seasonal winds
(c). Local winds
(d). Jet streams

Answer
           B

25. What mainly causes the movement of air molecules, resulting in the formation of winds?
(a). Solar radiation
(b). Pressure difference
(c). Rotation of the earth
(d). Geographical terrain

Answer
           B