Q. Which of these statements are correct regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.

Correct Answer

1, 2 and 4

More Questions on Atmosphere

  • Q. The capacity of the Atmosphere to hold water vapour
    A)Increases as the temperature decreases
    B)Increases as the temperature increases
    C)Decreases as the temperature increases
    D)Decreases as the temperature decreases
    Answer: Increases as the temperature increases
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • Q. A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Neither 1 nor 2
  • 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. The most abundant element in the Earth’s atmosphere is
    A)Oxygen
    B)Argon
    C)Nitrogen
    D)Krypton
    Answer: Nitrogen
  • Q. Evening sun is not a shot as the mid-day sun. What is the reason?
    A)Ozone in atmosphere absorbs more light in the evening
    B)In the evening, radiations travel slowly
    C)In the evening, the temperature of the sun decreases
    D)In the evening, radiations travel larger distance through atmosphere
    Answer: In the evening, radiations travel larger distance through atmosphere
  • 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. Temperate cyclones bring along with them ________
    A)Thunderstorms and torrential rainfall
    B)Pleasant weather
    C)Snowfall and hail
    D)Mild rainfall
    Answer: Mild rainfall
  • 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. What is the correct sequence of the given clouds from low to high altitudes?
    A)Cumulonimbus, Stratus, Cirrus, Cirrostratus
    B)Stratus, Cumulonimbus, Cirrostratus, Cirrus
    C)Stratus, Cirrostratus, Cumulonimbus, Cirrus
    D)Cumulonimbus, Stratus, Cirrostratus, Cirrus
    Answer: Cumulonimbus, Stratus, Cirrostratus, Cirrus
  • Q. In the Southern hemisphere the Westerlies blow from ________
    A)North west
    B)North
    C)North east
    D)South east
    Answer: North west
  • Q. The innermost layer is the core with a radius of about ________ km.
    A)9500
    B)500
    C)6500
    D)3500
    Answer: 3500
  • 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. Doldrums are belts of low atmospheric pressure obtained in the regions adjoining the equator to a distance of ________
    A)5° latitude towards north and south
    B)5° latitude towards the north only
    C)5° latitude towards the south only
    D)15° latitude towards north and south
    Answer: 5° latitude towards north and south
  • Q. The monsoon has well-developed cycle in ________
    A)East United States
    B)South and South East Asia
    C)North Australia
    D)Africa
    Answer: South and South East Asia
  • 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. Beaufort Scale is used to measure ________
    A)Wind direction
    B)Air pressure
    C)Wind velocity
    D)Humidity
    Answer: Wind velocity
  • Q. Which of the following layers of the Earth’s atmosphere provide ideal flying conditions for Jet aircraft?
    A)Stratosphere
    B)Mesosphere
    C)Thermosphere
    D)Troposphere
    Answer: Stratosphere
  • 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. Consider the following statements: 1. The monsoon climate is found in Northern Australia. 2. The China type climate is found in Argentina. 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: Both 1 and 2

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