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?

Correct Answer

2 only

More Questions on Atmosphere

  • 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. Which one among the following is a high cloud?
    A)Nimbostratus
    B)Cirrus
    C)Cumulonimbus
    D)Stratus
    Answer: Cirrus
  • Q. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • 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. The final boundary between the Earth and the outer space is called
    A)Mesopause
    B)Magnetosphere
    C)Ionosphere
    D)Magnetopause
    Answer: Magnetopause
  • Q. The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
    A)Hydro-equilibrium
    B)Water circulation
    C)Hydrologic cycle
    D)Precipitation
    Answer: Hydrologic cycle
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • Q. Which of the following is especially true of anticyclones in the southern hemisphere?
    A)They often form over continents
    B)The air moves in a circular manner
    C)Pressure increases from the outside to the centre
    D)The air moves in an anti-clockwise direction
    Answer: The air moves in an anti-clockwise direction
  • Q. In the Southern hemisphere the Westerlies blow from ________
    A)North west
    B)North
    C)North east
    D)South east
    Answer: North west
  • Q. Choose the correct option with the correct sequence of the layers of atmosphere
    A)Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
    B)Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
    C)Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
    D)Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
    Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
  • Q. Smog is likely to occur ________
    A)On calm, clear and cool nights
    B)Around valleys
    C)Near lakes
    D)Near the industrial areas
    Answer: Near the industrial areas
  • Q. A temperature inversion is most likely to occur under which of the following conditions?
    A)Calm, cloudy and humid night
    B)Mountain top in late evening
    C)Windy but cloudy night
    D)Calm, clear and cool winter night
    Answer: Calm, clear and cool winter night
  • 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. The phenomenon of ‘trade winds’ takes place due to
    A)Radiation
    B)Conduction of heat
    C)Convection of heat
    D)None of the above
    Answer: Convection of heat
  • Q. The water content in the atmosphere ________
    A)Decreases as temperature increases
    B)Is independent of temperature
    C)Increases as temperature increases
    D)Either increases or decreases with temperature increase
    Answer: Decreases as temperature increases
  • Q. What do you understand by the term ‘Advection’ ?
    A)Heat is transferred vertically through the air
    B)Heat is transferred horizontally by winds
    C)Heat is transferred horizontally by both winds and ocean currents
    D)Heat is transferred horizontally through ocean currents
    Answer: Heat is transferred horizontally by both winds and ocean currents
  • Q. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. The tropical cyclones – Hurricanes and Typhoons – develop and mature ________
    A)Over the water bodies only
    B)At the same place
    C)Over the land masses only
    D)Anywhere in the tropical zone
    Answer: Anywhere in the tropical zone
  • Q. Choose the incorrect statement ________
    A)Absolute humidity is expressed in grams per cubic metre of air
    B)Capacity of air to hold moisture decreases with a rise in temperature of the air
    C)The air pressure decreases with an increase in temperature
    D)With an ascent of every 165 metres, the temperature is reduced by 1°C
    Answer: Absolute humidity is expressed in grams per cubic metre of air
  • 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

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