Q. A temperature inversion is most likely to occur under which of the following conditions?

Correct Answer

Calm, clear and cool winter night

More Questions on Atmosphere

  • Q. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection
  • Q. What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
    A)Five kg per sq cm
    B)One kg per sq km
    C)One kg per sq mtr
    D)Five kg per sq mtr
    Answer: One kg per sq mtr
  • Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
    A)Decreases the relative humidity
    B)Raises the absolute humidity
    C)Produces no change in relative humidity
    D)Increases the relative humidity
    Answer: Decreases the relative humidity
  • 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. 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. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
    A)Stratosphere
    B)Troposphere
    C)Mesosphere
    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. A level of atmosphere which is composed partly of Electrons and Positive Ions is called
    A)Stratosphere
    B)Troposphere
    C)Ionosphere
    D)Mesosphere
    Answer: Ionosphere
  • 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. 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. Consider the following statements regarding general characteristics associated with tropical cyclones 1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas. 2. They are confined to a particular period of the year (mainly summer) and normally move from east to west. 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. Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
    A)Prevailing out-blowing winds cross the lake in winter
    B)The water is shallow
    C)The lake is high above sea level
    D)The lake is a basin of inland drainage
    Answer: Prevailing out-blowing winds cross the lake in winter
  • Q. Which one among the following statements relating to a cyclone is not correct?
    A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
    B)It is a wind circulation system with a low pressure at the centre
    C)It brings about sudden change In weather condition in an area
    D)It is known as hurricane in West Indies
    Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
  • Q. Which is the lowest layer of Atmosphere?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. Which of the following sequences of atmospheric layers is correct from below?
    A)Troposphere, Tropopause, Stratosphere, Ionosphere
    B)Stratosphere, Ionosphere, Tropopause, Troposphere
    C)Ionosphere, Troposphere, Stratosphere, Tropopause
    D)Tropopause, Troposphere, Ionosphere, Stratosphere
    Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
  • 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. 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. Which one of the following characteristics is not associated with the tropical cyclones?
    A)As the cold front passes, the weather changes very rapidly
    B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
    C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
    D)Calm conditions return when the eye of the cyclone arrives
    Answer: Calm conditions return when the eye of the cyclone arrives
  • Q. A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
    A)Cloud Burst occurs only in hilly areas
    B)Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
    C)Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds
    D)There is no satisfactory technique till now for predicting Cloud Burst
    Answer: Cloud Burst occurs only in hilly areas
  • 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

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