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Question

What is a cyclone ?

A
A large scale air mass that rotates around a strong centre of low atmospheric pressure.
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B
A storm with thunder and lightning and accompanied by heavy rainfall..
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C
An overflow of a large amount of water beyond its normal limits
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D
A severe snowstorm with high winds
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Solution

The correct option is A A large scale air mass that rotates around a strong centre of low atmospheric pressure.
A cyclone is a large scale air mass that rotates around a strong centre of low atmospheric pressure.

The centre of a cyclone is a calm area. It is called the eye of the storm. It is a region free of clouds and has light winds. Around this calm and clear eye, there is a cloud region of about 150 km in size. In this region there are high-speed winds (150250km/h) and thick clouds with heavy rain. Away from this region the wind speed gradually decreases.

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