The following items consists of two Statements I and II You are to examine these two statements care...........

Geography and Environment Geography

The following items consists of two Statements I and II. You are to examine these two statements carefully and select the answer to these items using the code given below.

Statements

I. The Doldrums is a low pressure area around the Equator where the prevailing winds are calm.

II. Low pressure is caused by the heat at the Equator which makes the air rise and travel both Northwards and Southwards.

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CAPF 2014 Paper-1

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Both the statements are individually true and Statement II is the correct explanation of Statement I

Both the statements are individually true but Statement II is not the correct explanation of Statement I

Statement I is true and Statement II is false

Statement I is false but Statement II is true

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Explanation:

Equatorial low pressure belts : it is a thermally induced pressure belt created by almost vertical solar insolation throughout the year , high range of insolational heating and intense thermal conditions .

Air parcels over the surface of the earth remain relatively warmer and upwell from surface in the form of convection current to create prominent low pressure condition over the surface . Since insolational heating and convection remains a persistent and permanent phenomena over equator a vaccum type of atmospheric conditions over the surface categorically called as “Doldrum” - are basically intertropical convergence zone.