Classical

Atmosphere & Winds - Section 2

46:  

The Trade winds are caused by

A.

Rotation of the earth

B.

Revolution of the earth

C.

Inflowing movement of air along the earth' s surface towards the equator

D.

None of these

 
 

Option: C

Explanation :


47:  

Trade winds blow in the Northern Hemisphere from

A.

north to south

B.

south to north

C.

north - west to south - east

D.

north - east to south - west

 
 

Option: D

Explanation :


48:  

Consider the following statements about anticyclones :

(a) The winds are divergent, and spiral out from the centre of high pressure
(b) The air moves clockwise in the Northern Hemisphere &  anti clockwise  in Southern Hemisphere
(c) It is accompanied by heavy rainfall
(d) A sudden rise-in barometric reading heralds the approach of anticyclone .
Which of these statements are correct?

A.

I and 2

B.

I and 4

C.

1,2and3

D.

1,2and4

 
 

Option: D

Explanation :


49:  

The instrument-used to measure the atmospheric pressure is

A.

Hydrometer

B.

Hygrometer

C.

Pressure Gauge

D.

Barometer

 
 

Option: D

Explanation :


50:  

Which of the following octurs more frequently than the other three in Indian Ocean ?

A.

Cyclones

B.

Hurricanes

C.

Tornadoes

D.

Typhoons

 
 

Option: A

Explanation :




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