Water vapour is:
A. A gas
B. A cloud droplet
C. A rain drop
D. A snowflake
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What is the cause of the Exxon Valdez?
A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.
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In calm air the air temperature is -10o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate:
A. A much higher temperature than -10o C
B. A much lower temperature than -10o C
C. A temperature of -10o C
D. A temperature of -30o C
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Infrared and visible satellite images might provide:
A. A way of determining cloud thickness and altitude.
B. A way of distinguishing between wet and dry clouds.
C. A way of identifying clouds suitable for cloud seeding.
D. A way of distinguishing between "new" and "old" clouds.
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At what time of day is the relative humidity normally at a minimum?
A. When the air temperature is highest
B. Just before sunrise
C. About midnight
D. When the air temperature is lowest
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The atmospheric greenhouse effect is produced mainly by the:
A. Absorption and re-emission of visible light by the atmosphere
B. Absorption and re-emission of ultraviolet radiation by the atmosphere
C. Absorption and re-emission of infrared radiation by the atmosphere
D. Absorption and re-emission of visible light by clouds
E. Absorption and re-emission of visible light by the ground
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The blueness of the sky is mainly due to:
A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
D. Emission of blue light by the atmosphere
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The atmosphere near the earth's surface is "heated from below." Which of the following does not significantly contribute to this heating?
A. Conduction of heat upward from a hot surface
B. Convection from a hot surface
C. Absorption of infrared energy that has been radiated from the surface
D. Heat energy from the earth's interior
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The gradual physiological adjustment to slowly changing new environmental conditions is known as
A. Selection
B. Introduction
C. Acclimatization
D. Quarantine
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Salinization is ___________.
A. Accumulation of salts in water
B. Accumulation of salts in soil
C. Accumulation of salts in body
D. Accumulation of salts in animals
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Acid deposition causes
A. the greenhouse effect to lessen
B. lakes and forests to die
C. acid indigestion in humans
D. all the above are correct
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Melanornia (skin cancer) is associated with
A. ozone accumulation
B. ozone depletion
C. acid rain
D. allergens
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When oil and gas resources are burnt they kill many forests and lakes by
A. deforestation
B. water pollution
C. acid rain
D. forest fire
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Soil pollution is caused by
A. Aerosol
B. Ozone
C. Acid rain
D. PAN
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What is hibernation and aestivation?
A. Thermal adaptation shown by animals
B. wind adaptation shown by animals
C. adaptation of animals to escape from predators
D. none
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Fog that most often forms as warm rain falls into a cold layer of surface air is called:
A. Radiation fog
B. Evaporation (mixing) fog
C. Advection fog
D. Upslope fog
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Fine organic or inorganic particles suspended in air is called
A. particulate pollutant
B. gaseous pollutant
C. aerosol
D. none of these
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CFCs are used as
A. refrigerants
B. insulators
C. aerosol propellants
D. all the above
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Ramsar Convention refers to the conservation of ____________
A. Deserts
B. Wetlands
C. Agriculture lands,
D. Forest land
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The earth's atmosphere is divided into layers based on the vertical profile of:
A. Air pressure
B. Air temperature
C. Air density
D. Wind speed
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