Atmosphere Geography

Q. Warm dry winds blowing down the east slopes of Rockies are known as ________

A
Foehn
B
Mistral
C
Nor' westers
D
Chinook

Correct Answer

Chinook

More Questions on Atmosphere

  • Q. Which of the following statements is wrong?
    A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
    B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
    C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
    D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
    Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
  • Q. What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere
    A)1, 2 and 3
    B)2 and 3
    C)2 and 4
    D)1, 2 and 4
    Answer: 1, 2 and 3
  • Q. Temperature generally decreases towards the poles because ________
    A)Cold surfaces do not absorb solar energy as readily as warm surfaces
    B)Air movement is generally towards the. equator
    C)Cold polar air masses prevent surface heating of the land
    D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
    Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
  • Q. Countries favourably influenced by Westerlies are ________
    A)New Zealand
    B)Western Europe, British Columbia and East of U.S.A.
    C)South-West Africa and South Chile
    D)All of these
    Answer: All of these
  • Q. A sudden fall in the barometric reading indicates ________
    A)Fine weather
    B)Rain
    C)Storm
    D)Extreme cold
    Answer: Storm
  • Q. Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below
    A)1, 2 and 3
    B)2 and 3
    C)1 and 3
    D)1 only
    Answer: 2 and 3
  • Q. Which are of the following is wrongly characterised?
    A)Sirocco – Sahara – spring - hot
    B)Chinook- Canada - winter - warm
    C)Khamsin – Egypt – spring - hot
    D)Mistral - Rhone Valley - summer – cold
    Answer: Mistral - Rhone Valley - summer – cold
  • 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. Lapse rate is related to the decrease of ________
    A)Temperature at 1°F for an ascent of 330 feet
    B)Wind velocity with an ascent of 300 feet
    C)Humidity with an ascent of 450 feet
    D)Pressure with an ascent of 500 feet
    Answer: Temperature at 1°F for an ascent of 330 feet
  • Q. The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? I. Vegetation II. Water III. Carbon dioxide IV. Oxygen V. Nitrogen
    A)II and III
    B)I and II
    C)III and IV
    D)II and V
    Answer: II and III
  • Q. The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
    A)Khamsin
    B)Chinook
    C)Foehn
    D)Sirocco
    Answer: Foehn
  • Q. Which of the following depletion results in the increase in the UV radiation on the Earth?
    A)Ozone
    B)Carbon monoxide
    C)Carbon dioxide
    D)Oxygen
    Answer: Ozone
  • Q. Which one among the following statements relating to an anticyclone is correct?
    A)The contribution of an anticyclone towards determining weather of an area is quite significant
    B)Anticyclone is a wind system with a high pressure centre
    C)In anticyclone the movement of wind is inward
    D)The movement of wind is clockwise in an anticyclone of southern hemisphere
    Answer: Anticyclone is a wind system with a high pressure centre
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • Q. Consider the following statements: 1. The variation in an average annual range of temperature at 15° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere. 2. At latitudes poleward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 1 only
  • Q. Doldrums are ________
    A)High pressure areas on mountains
    B)High latitudes with heavy snow
    C)Equatorial zone with low pressure
    D)Sub-polar zone with high pressure
    Answer: Equatorial zone with low pressure
  • Q. Why the Earth is having its own atmosphere?
    A)Gravity
    B)Winds
    C)Clouds
    D)Rotation of the Earth
    Answer: Gravity
  • Q. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. Which is the warmest layer of the atmosphere?
    A)Stratosphere
    B)Thermosphere
    C)Troposphere
    D)Mesosphere
    Answer: Thermosphere
  • 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

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