Wind, Storm and Cyclone
All about wind storm and cyclone in CBSE and other Boards
Questions
Tube of a bicycle gets inflated when the air is filled in it. Why does this happen?
- Air is light
- Air flows anywhere
- Air exerts pressure
- Air expands on heating
- All of these
What is/are the cause(s) of uneven heating of the earth?
(a) The position of the sun in the sky
(b) The tilt of the earth
(c) The uneven surface of the earth
- only a
- only b
- only c
- a and b
- b and c
A thatched roof is blown off because of high speed wind. Which of the following reason correctly explains it?
- This happens because high speed wind creates an area of low pressure.
- This happens because high speed wind creates high pressure.
- This happens because high speed wind makes the thatched roof light in weight.
- This happens because high speed wind creates low temperature.
- None of these
Which of the following statement is incorrect regarding sea - breeze?
(a) It flows in coastal areas
(b) It happens because ocean warms up faster than land
(c) The land is filled in by cooler air from the ocean surface
- only a
- only b
- only c
- a and b
- b and c
During the night, the land cools down faster than the ocean surface. What will be the flow of air?
- The flow of air rises upwards
- The flow of air is towards the ocean
- The flow of air is towards land
- Options 1 and 2
- Options 1 and 3
The flow of moist air from the ocean towards land in summer, annually over a larger area is called _________.
- sea breeze
- land breeze
- monsoon
- cyclone
- none of these
Ramesh filled his water bottle with hot water and closed its cap tightly. His bottle got distorted when he washed it with cold water. Which of the following is the correct reason behind this?
- Pressure inside bottle is lower than outer pressure
- Pressure inside bottle is greater than outer pressure
- Pressure inside bottle is equal to outer pressure
- There is no air inside
- The hot water inside the bottle melts and distorts the bottle walls.
Which of the following factors is NOT responsible for creating a cyclone?
- Wind speed
- Wind direction
- Humidity
- Temperature
- None of these
Very fast moving dark cloud in the shape of funnel is known as a _________.
- ice storm
- thunderstorm
- hurricane
- typhoon
- tornado
The centre of the cyclone is called ‘eye’. The eye of a cyclone is a ___________ area.
- high pressure
- hottest
- windy
- calm
- none of these
When there is no friction, wind is _____________ the geostrophic wind.
- equal to
- greater than
- less than
- not affected by
- none of these
Which of the following areas will be most affected by a cyclone?
- Desert
- Coastal
- Hills
- Polar region
- None of these
Wind is controlled by -
(a) horizontal pressure difference
(b) earth's rotation
(c) friction
- only a
- only b
- a, b and c
- a and c
- b and c
Which of the following is/are the precautionary measures taken before a cyclone hits?
- Check that the walls and the roof are secure.
- Know the nearest safe high ground.
- Keep a list of emergency numbers.
- Prepare an emergency kit.
- All of these
Which of the following match is/ are incorrect?
| a. Cyclone | Philippines |
| b. Hurricane | America |
| c. Typhoon | India |
- only a
- only b
- only c
- a and b
- a and c