What do you understand by the term 'Advection' ?
A. Heat is transferred horizontally by winds
B. Heat is transferred horizontally by both winds and ocean currents
C. Heat is transferred vertically through the air
D. Heat is transferred horizontally through ocean currents
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The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
A. Water circulation
B. Hydrologic cycle
C. Hydro-equilibrium
D. Precipitation
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A level of atmosphere which is composed partly of Electrons and Positive Ions is called
A. Troposphere
B. Ionosphere
C. Stratosphere
D. Mesosphere
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At which height, the gaseous surrounding has covered the Earth's atmosphere?
A. 100km
B. 150km
C. 200km
D. 300km
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Dew point is ________
A. Amount of actual water vapour present per unit volume of air
B. Incoming solar radiation
C. A low pressure system in lower atmosphere
D. A temperature at which a given sample of air becomes saturated
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Which of the following layers of the Earth's atmosphere provide ideal flying conditions for Jet aircraft?
A. Mesosphere
B. Thermosphere
C. Stratosphere
D. Troposphere
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Doldrums are ________
A. High latitudes with heavy snow
B. Equatorial zone with low pressure
C. High pressure areas on mountains
D. Sub-polar zone with high pressure
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Which of the following places are favourably influenced by the Trade winds?
I. West Indies
II. Brazil
III. Mexico
IV. Madagascar
A. I and II
B. I, II, III and IV
C. III and IV
D. II and IV
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In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called ________
A. Westerly wind
B. Trade wind
C. Polar Easterly
D. Jet Stream
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The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
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The chemically inactive gas present in the atmosphere is ________
A. Nitrogen
B. Argon
C. Water vapour
D. Oxygen
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In which layer, temperature increases dramatically?
A. Ionosphere
B. Exosphere
C. Stratosphere
D. Troposphere
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What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface?
A. Transparent to both incoming sunlight and outgoing infrared radiation
B. Stops both incoming sunlight and outgoing infrared radiation
C. Lets outgoing infrared radiation pass through but stops incoming sunlight
D. Lets incoming sunlight pass through but stops outgoing infrared radiation
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Temperature generally decreases towards the poles because ________
A. Air movement is generally towards the. equator
B. Cold polar air masses prevent surface heating of the land
C. Cold surfaces do not absorb solar energy as readily as warm surfaces
D. Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
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Consider the following statements:
1. Troposphere varies in its thickness between equator and poles.
2. Stratosphere does not experience Normal Lapse Rate.
3. Ozone layer occurs in the Mesosphere.
4. Ionosphere lies between Stratosphere and Mesosphere
Which of these statements are correct?
A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1, 2 and 4
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Excess carbon dioxide in the atmosphere due to pollution will cause
A. Earth's temperature to rise
B. Earth's temperature to fall
C. No change in earth's temperature
D. Increase in ultra-violet radiation reaching the earth
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Atmospheric pressure exerted on earth is due to ________
A. Gravitational pull of the earth
B. Rotation of earth
C. Revolution of earth
D. Uneven heating of earth
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Which one of the following statements is correct? Hurricanes ________
A. Form at the equator
B. Are not as large as tornadoes
C. Develop over warm ocean areas
D. Tend to intensify when they move over land surfaces
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Rain shadow effect is associated with
A. Cyclonic rainfall
B. Orographic rainfall
C. Convectional rainfall
D. Frontal rainfall
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Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Ionosphere
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