Agents of fog formation do not include ________
A. High relative humidity
B. Diurnal temperatures of short ranges
C. Winter season
D. Rapid radiation
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Which one among the following forces is most powerful in determining movement of wind including its velocity ?
A. Gravitational force
B. Centrifugal force
C. Frictional force
D. Pressure gradient force
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Atmospheric humidity is measured by ________
A. Psychrometer
B. Anemometer
C. Lysimeter
D. Hydrometer
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Which is the warmest layer of the atmosphere?
A. Thermosphere
B. Troposphere
C. Stratosphere
D. Mesosphere
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Which of the following statements is not true of Trade Winds?
A. They blow from the Horse Latitudes to the Doldrums
B. They are deflected to the right to become South-East Trades in the southern hemisphere
C. They are constant in strength and direction
D. They sometimes contain intense depressions
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The intensity of insolation depends on
A. Altitude
B. Nature of terrain
C. Wind
D. Latitude
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The inner-most layer of the Earth is known as
A. Lithosphere
B. Mesosphere
C. Aesthenosphere
D. Barysphere
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Which of the following statements is incorrect?
A. Roaring forties are the southern latitudes where Westerlies are prevalent
B. Monsoons are local seasonal winds
C. Doldrum belt lies between 10°N and 10°S latitudes
D. Horse latitudes are found between Trade winds and Westerlies
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Evening sun is not a shot as the mid-day sun. What is the reason?
A. In the evening, radiations travel slowly
B. In the evening, the temperature of the sun decreases
C. Ozone in atmosphere absorbs more light in the evening
D. In the evening, radiations travel larger distance through atmosphere
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The water content in the atmosphere ________
A. Is independent of temperature
B. Increases as temperature increases
C. Decreases as temperature increases
D. Either increases or decreases with temperature increase
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Choose the correct option with the correct sequence of the layers of atmosphere
A. Mesophere, Ionosphere, Exosphere, Troposphere,
Stratosphere
B. Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
C. Exosphere, Troposphere, Ionosphere Mesosphere,
Stratosphere
D. Troposphere, Stratosphere, Mesosphere, Ionosphere,
Exosphere
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Which of the following is especially true of anticyclones in the southern hemisphere?
A. The air moves in a circular manner
B. Pressure increases from the outside to the centre
C. They often form over continents
D. The air moves in an anti-clockwise direction
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Countries favourably influenced by Westerlies are ________
A. Western Europe, British Columbia and East of U.S.A.
B. South-West Africa and South Chile
C. New Zealand
D. All of these
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Which of the following is/are characteristic of a depression in the southern hemisphere?
I. It is a mass of air whose isobars form an oval or circular shape
II. Pressure is high in the centre and decreases towards the outside
III. Air moves anti-clockwise
A. I only
B. II only
C. I and III
D. All three
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The hot and dry winds that help in the ripening of grapes in the Alps region is ________
A. Chi nook
B. Foehn
C. Mistral
D. Roaring Forties
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What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
A. One kg per sq km
B. One kg per sq mtr
C. Five kg per sq cm
D. Five kg per sq mtr
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What is the percentage of Nitrogen in atmosphere of the Earth?
A. 0.94
B. 0.03
C. 78.03
D. 85.02
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At low elevation which among the following clouds are to be found ?
A. Cirrus
B. Nimbus
C. Cumulus
D. Stratus
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The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation?
1. There are no clouds or water vapour in the lower stratosphere.
2. There are no vertical winds in the lower stratosphere.
Which of the statements given above is/are correct in this context?
A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
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The most important factor in thunderstorms development is ________
A. Atmospheric stability
B. Atmospheric instability
C. Abundance of moisture
D. Temperature inversion
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