Atmosphere Geography

Q. The layer of atmosphere which reflects radio waves is

A
Stratosphere
B
Ionosphere
C
Troposphere
D
Exosphere

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
    A)Cirrostratus
    B)Altocumulus
    C)Cirrus
    D)Nimbostratus
    Answer: Nimbostratus
  • Q. Which of the following is a cold wind?
    A)Chinook
    B)Buran
    C)Foehn
    D)Sirocco
    Answer: Buran
  • Q. Precipitation takes place when ________
    A)Temperature of moisture in air sharply decreases
    B)The sky is overcast with clouds
    C)Temperature of moisture in air suddenly increases
    D)Winds begin to blow in a circular motion
    Answer: The sky is overcast with clouds
  • Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
    A)Ozone
    B)Nitrogen
    C)Oxygen
    D)Water Vapour
    Answer: Water Vapour
  • 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. 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. 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)3 and 4
    B)1 and 2
    C)2 and 3
    D)1, 2 and 4
    Answer: 1 and 2
  • Q. Warm dry winds blowing down the east slopes of Rockies are known as ________
    A)Foehn
    B)Mistral
    C)Nor' westers
    D)Chinook
    Answer: Chinook
  • 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. 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. Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? I. Long nights II. Cloudy sky III. Calm and stable air IV. Dry air
    A)II, III and IV
    B)I and II
    C)I, II and III
    D)I, III and IV
    Answer: I, III and IV
  • Q. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
    A)Horse-latitudes
    B)Depression
    C)Doldrums
    D)Inter-tropical convergence
    Answer: Depression
  • Q. Which one of the following statements is correct? Hurricanes ________
    A)Develop over warm ocean areas
    B)Form at the equator
    C)Are not as large as tornadoes
    D)Tend to intensify when they move over land surfaces
    Answer: Develop over warm ocean areas
  • Q. The plane of contact of the troposphere and stratosphere is known as ________
    A)Stratopause
    B)Mesosphere
    C)Ionosphere
    D)Tropopause
    Answer: Tropopause
  • Q. Rain shadow effect is associated with
    A)Convectional rainfall
    B)Cyclonic rainfall
    C)Orographic rainfall
    D)Frontal rainfall
    Answer: Orographic rainfall
  • Q. Land masses are heated and cooled much faster than water bodies. Identify the true statements in this regard: I. Land gets heated by conduction II. Water has higher specific heat III. Only the surface layers of water are heated IV. Water gets heated by convection
    A)I and IV
    B)I, II and III
    C)II and III
    D)I, II and IV
    Answer: I, II and IV
  • Q. What is a cloudburst?
    A)It is caused by rapid condensation of very high clouds
    B)It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
    C)It refers to 50mm rain over a period of time
    D)It refers to a thunderstorm with little rain
    Answer: It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
  • Q. 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 and III
    B)I only
    C)II only
    D)All three
    Answer: I only
  • Q. With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth’s rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct?
    A)2 only
    B)1 only
    C)Both 1 and 2
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. The velocity of winds is related to ________
    A)Pressure gradient in the direction of their flow
    B)The amount of moisture they carry
    C)The nearness to the sea
    D)The direction in which they blow
    Answer: Pressure gradient in the direction of their flow

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