Q. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?

Correct Answer

Lets incoming sunlight pass through but stops outgoing infrared radiation

More Questions on Atmosphere

  • 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. 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 January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
    A)12° C
    B)21° C
    C)18° C
    D)15° C
    Answer: 15° C
  • Q. Which gas is found in maximum quantity in lower atmosphere?
    A)Oxygen
    B)Hydrogen
    C)Carbon dioxide
    D)Nitrogen
    Answer: Nitrogen
  • 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. 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. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
    A)Troposphere
    B)Mesosphere
    C)Atmosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. Which of the following is produced by the rapid ascent of moist air?
    A)Hail
    B)Frost
    C)Fog
    D)Snow
    Answer: Hail
  • 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. 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. Relative humidity
    A)Decreases with decreased temperature
    B)Increases with increased temperature
    C)Decreases with increased temperature
    D)Has no relation with increase or decrease of temperature
    Answer: Decreases with increased temperature
  • 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. 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. Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
    A)Condensation
    B)Insolation
    C)Evaporation
    D)Precipitation
    Answer: Insolation
  • Q. Which of these statements are correct with reference to tornadoes? 1. Tornadoes are smaller and more intense than hurricanes. 2. Tornadoes are most abundant along the eastern coast of India. 3. The average tornado lasts for less than one hour. 4. Tornadoes are most common in the afternoons in the early summer.
    A)1, 2 and 4
    B)1, 3 and 4
    C)2, 3 and 4
    D)1, 2 and 3
    Answer: 1, 3 and 4
  • Q. In the earth’s atmosphere, the atmospheric pressure ________
    A)Remains constant with height
    B)Increases with height
    C)Decreases with height
    D)First increases and then decreases with height
    Answer: Decreases with height
  • Q. Wind in the Southern hemisphere is deflected towards left due to ________
    A)Difference in pressure
    B)Temperature variations
    C)Rotation of the earth
    D)Difference in water content
    Answer: Rotation of the earth
  • Q. Which of the following is the annual precipitation of an area?
    A)The total amount of rain per year, irrespective of snow, hail and sleet
    B)All forms of precipitation converted to the quantity of liquid water
    C)The total actual amount of rain, snow, hail and sleet
    D)All forms of precipitation measured after conversion to equal quantity of ice
    Answer: All forms of precipitation converted to the quantity of liquid water
  • Q. Atmospheric humidity is measured by ________
    A)Lysimeter
    B)Psychrometer
    C)Anemometer
    D)Hydrometer
    Answer: Psychrometer
  • 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

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