The device used to measure wind speed is
Anemometer
Barometer
Wind vane
None of these
Polar regions are
No pressure regions
Low pressure regions
High pressure regions
The instrument used to measure speed of wind is called
Cold air regions are also called
Low pressure region
Motion of air along the surface of earth is called
Rain
Wind
Thunder
Which of the following has most devastating effects .
Cyclones
Tornadoes
Thunderstorms
Typhoons
Regions near to the equator are
Dangerous form of monsoon wind
Cyclone
Thunderstorm
Both of these
Sea breeze happens
At day time
At night time
Always
Never
When wind occurs , leaves of trees
Become steady
Bend against the direction of wind
Bend in the direction of wind