More Questions on Atmosphere
- Q. Which of the following is the annual precipitation of an area?
A)The total amount of rain per year, irrespective of snow, hail and sleet
B)All forms of precipitation converted to the quantity of liquid water
C)The total actual amount of rain, snow, hail and sleet
D)All forms of precipitation measured after conversion to equal quantity of ice
Answer: All forms of precipitation converted to the quantity of liquid water
- Q. The chemically inactive gas present in the atmosphere is ________
A)Water vapour
B)Nitrogen
C)Argon
D)Oxygen
Answer: Argon
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 2 only
- Q. The cold and dense air blowing down the mountain slope during the night is known as ________
A)Katabatic wind
B)Anabatic wind
C)Khamsin
D)Harmattan
Answer: Katabatic wind
- Q. Which one of the following is not a correct example of tropical cyclone?
A)Hurricanes
B)Tornadoes
C)Typhoons
D)Nor westers
Answer: Nor westers
- Q. Consider the following statements 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate entirely within the tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes
A)2 and 3
B)1, 2 and 4
C)1 only
D)3 and 4
Answer: 1, 2 and 4
- Q. Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Ionosphere
- Q. The most important factor in thunderstorms development is ________
A)Abundance of moisture
B)Atmospheric stability
C)Atmospheric instability
D)Temperature inversion
Answer: Atmospheric instability
- Q. Which of the following statements is not true of Trade Winds?
A)They are constant in strength and direction
B)They blow from the Horse Latitudes to the Doldrums
C)They are deflected to the right to become South-East Trades in the southern hemisphere
D)They sometimes contain intense depressions
Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
- Q. Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?
A)90° North and South
B)22° W North and South
C)40° North and South
D)66° W North and South
Answer: 40° North and South
- Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
A)12° C
B)21° C
C)18° C
D)15° C
Answer: 15° C
- Q. Which of the following constituents of the atmosphere are important from the climatic point of view ? 1. Nitrogen 2. Oxygen 3. Carbon dioxide
A)1, 2 and 3
B)1 and 2
C)2 and 3
D)Only 3
Answer: Only 3
- Q. The dry wind ‘Santa Ana’ blows in ________
A)Switzerland
B)Siberia
C)Argentina
D)California
Answer: California
- Q. Logically, what does a continually rising air pressure indicate?
A)Fine and settled weather
B)Advent of unsettled and cloudy weather
C)Advent of a cyclone
D)Fine and unsettled weather
Answer: Advent of unsettled and cloudy weather
- Q. The amount of actual water vapour of air is known as ________
A)Relative humidity
B)Absolute humidity
C)Dew point
D)Condensation point
Answer: Absolute humidity
- Q. Winds and air currents differ in the aspect that ________
A)The winds blow on lands while air currents blow over seas and oceans
B)Air currents blow much faster than winds
C)Air currents are always moisture laden while the winds are usually dry
D)Winds are horizontal movements of air while air currents are the vertical movements of air
Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
- Q. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- Q. The contact of two air masses differing sharply in humidity originates:
A)Temperate cyclones
B)Tropical cyclones
C)Inter-tropical convergence
D)Tropospheric instability
Answer: Temperate cyclones
- Q. Troposphere is the most warm part of the atmosphere because
A)It gets warm from the heat of the surface of the Earth
B)It is closer to the Sun
C)It contains charged particles
D)It produces heat
Answer: It gets warm from the heat of the surface of the Earth
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