While the pressure gradient force is from north to south, i.e. from the
subtropical high pressure to the equator in the northern hemisphere,
why are the winds north easterlies in the tropics.
What is the unit used in measuring pressure? Why is the pressure measured
at station level reduced to the sea level in preparation of weather maps?
Which one of the following is the source region for the formation of air
masses?
(a) the Equatorial forest
(c) the Siberian Plain
(b) the Himalayas
(d) the Deccan Plateau
The direction of wind around a low pressure in northern hemisphere is:
(a) clockwise
(c) anti-clock wise
(b) perpendicular to isobars
(d) parallel to isobars
The Inter Tropical Convergence Zone normally occurs:
(a) near the Equator
(b) near the Tropic of Cancer
(c) near the Tropic of Capricorn
(d) near the Arctic Circle
If the surface air pressure is 1,000 mb, the air pressure at 1 km above the
surface will be:
(a) 700 mb
(c) 900 mb
(b) 1,100 mb
(d) 1,300 mb
Compare the global distribution of temperature in January over the
northern and the southern hemisphere of the earth.
Discuss the processes through which the earth-atmosphere system
maintains heat balance.
How do the latitude and the tilt in the axis of rotation of the earth affect
the amount of radiation received at the earth’s surface?
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