Heating & Cooling Of Atmosphere

10 Questions
  1. 1
    Consider the following statements :
    1. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth's surface.
    2. Heat absorbed and trapped by the atmosphere maintains our planet's average temperature.
    3. Atmosphere's gases, like carbon dioxide, are particularly good at absorbing and trapping radiation.
    Which of the statements given above are correct?
    UPSC CSE I - 2025
  2. 2
    Consider the following statements :
    1. Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation.
    2. Statement-II : Carbon dioxide and other greenhouse gases in the atmosphere are good absorbers of long wave radiation.
    Which one of the following is correct in respect of the above statements ?
    UPSC CSE I - 2024
  3. 3
    Consider the following statements :
    1. Statement-I : The temperature contrast between continents and oceans is greater during summer than in winter.
    2. Statement-II : The specific heat of water is more than that of land surface.
    Which one of the following is correct in respect of the above statements?
    UPSC CSE I - 2023
  4. 4
    With reference to the Earth's atmosphere, which one of the following statements is correct?
    UPSC CSE I - 2023
  5. 5
    Consider the following statements :
    1. High clouds primarily reflect solar radiation and cool the surface of the Earth.
    2. Low clouds have a high absorption of infrared radiation emanating from the Earth's surface and thus cause warming effect.
    Which of the statements given above is/are correct ?
    UPSC CSE I - 2022
  6. 6
    The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
    UPSC CSE I - 2012
  7. 7
    Normally, the temperature decreases with the increase in height from the Earth's surface, because
    1. the atmosphere can be heated upwards only from the Earth's surface
    2. there is more moisture in the upper atmosphere
    3. the air is less dense in the upper atmosphere
    Select the correct answer using the codes given below:
    UPSC CSE I - 2012
  8. 8

    Which one of the following reflects more sunlight as compared to the other three?

    UPSC CSE I - 2010
  9. 9

    Consider the following ecosystems:

    1. Taiga
    2. Tropical Evergreen
    3. Tropical Deciduous
    4. Tundra

    The correct sequence in decreasing order of the albedo values of these ecosystems is:

    UPSC CSE I - 2002
  10. 10

    Cloudy nights are warmer compared to clear cloudless nights, because clouds:

    UPSC CSE I - 2001