Q. Albedo is defined as ________

Correct Answer

The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface

More Questions on Earth

  • Q. The International Date Line passes through ________
    A)Florida strait
    B)Bering strait
    C)Gibraltar strait
    D)Malacca strait
    Answer: Bering strait
  • Q. The phenomenon of an opening occurring in the Earth’s surface through which a Jet of hot water and steam is forced out at irregular intervals is called
    A)Cyclone
    B)Hot spring
    C)Geyser
    D)Volcano
    Answer: Geyser
  • Q. The light of Sun takes how much time to reach to Earth
    A)8 seconds
    B)8 hours 20 seconds
    C)8 minutes 20 seconds
    D)20 seconds
    Answer: 8 minutes 20 seconds
  • Q. Heat received by earth from the Sun is known as ________
    A)Solar radiation
    B)Insolation
    C)Solar heat
    D)Thermal radiation
    Answer: Solar radiation
  • Q. Which one of the following minerals occurs abundantly in the Earth’s crust?
    A)Manganese
    B)Bauxite
    C)Silica
    D)Iron
    Answer: Silica
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. What is the meaning of “Midnight Sun”?
    A)Very bright Moon
    B)Evening light
    C)Rising Sun
    D)Shining of Sun in Arctic and Antarctica circle
    Answer: Shining of Sun in Arctic and Antarctica circle
  • Q. The imaginary line which connects places of similar height on map, are?
    A)Spot-Height
    B)Hachure
    C)Contour
    D)Isometric
    Answer: Contour
  • Q. Which of the following phenomenon gives an evidence for the spherical shape of the earth?
    A)Lunar eclipse
    B)Solar eclipse
    C)Revolution
    D)Rotation of Earth
    Answer: Revolution
  • Q. Which of the statements given are correct? 1. Coriolis effect is zero at the Equator. 2. Coriolis effect is more towards the Poles. 3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes. 4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
    A)1, 2 and 4
    B)1, 2 and 3
    C)1 and 3 only
    D)2 and 5 only
    Answer: 1, 2 and 4
  • Q. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • Q. After Sun, which is the closest star to the Earth?
    A)Proxima centauri
    B)Vega
    C)Sirius
    D)Alpha centauri
    Answer: Proxima centauri
  • Q. The desert regions of the world occupy about ________ part of the land surface of the earth.
    A)43132
    B)1/3
    C)1.6
    D)None of the above
    Answer: 1/3
  • Q. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
    A)Carbon
    B)Silicon
    C)Oxygen
    D)Calcium
    Answer: Oxygen
  • Q. Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of 66%.
    A)1 and 3
    B)1and 2
    C)2 and 3
    D)1, 2 and 3
    Answer: 2 and 3
  • Q. The Contour line is those imaginary line which show?
    A)Areas of similar height
    B)Areas of similar atmospheric pressure
    C)Areas of similar temperature
    D)Equal Sunning areas
    Answer: Areas of similar height
  • Q. Dolomite is a/an
    A)Igneous rock
    B)Sedimentary rock
    C)Plutonic rock
    D)Metamorphic rock
    Answer: Sedimentary rock
  • Q. The position of a planet when it is nearest to the Sun, is called ________
    A)Apigee
    B)Perihelion
    C)Apihelion
    D)Perigee
    Answer: Perihelion
  • Q. Which of the following Isohels are the isopleths of
    A)Rain
    B)Sunshine
    C)Flowering time
    D)Clouds
    Answer: Sunshine
  • Q. The Solar eclipse achieves totality only in limited geographical regions because ________
    A)Sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
    B)The trajectories of the Earth around the Sun and the Moon around the Earth are not perfect circles
    C)The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
    D)The Earth is not a smooth flat surface, but has elevations and depressions
    Answer: The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth

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