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. 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. In the context of ‘time’ GMT means
    A)Global Mean Time
    B)General Meridian Time
    C)Greenwich Mean Time
    D)None of these
    Answer: Greenwich Mean Time
  • Q. Who among the following was first to measure the circumference of the Earth?
    A)Hecataeus
    B)Eratosthenes
    C)Aristotle
    D)Herodotus
    Answer: Eratosthenes
  • Q. Which one of the following would have occurred if the earth had not been inclined on its own axis?
    A)The summers would have been of longer duration
    B)All the seasons would have been of same duration
    C)The seasons would not have changed
    D)The winters would have been of longer duration
    Answer: The seasons would not have changed
  • Q. Equinox occurs when the Sun is vertically above
    A)Poles
    B)Tropic of Capricorn
    C)Tropic of Cancer
    D)Equator
    Answer: Equator
  • Q. Choose the incorrect statement
    A)The Sun's rays are vertical at all places on the days of the equinoxes
    B)All meridians are of the same length
    C)The axis of the earth is inclined at an angle of to the horizontal
    D)The summer solstice for the Southern Hemisphere is in December
    Answer: The Sun's rays are vertical at all places on the days of the equinoxes
  • Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
    A)Heat balance of earth
    B)Earth radiation
    C)Wave balance of earth
    D)Radiation exchange
    Answer: Heat balance of earth
  • Q. What is ‘Sidereal Day’?
    A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
    B)The day on which the duration of sunshine is the maximum
    C)The day on which the duration of sunshine and darkness are equal
    D)The day on which the sun reaches its maximum distance from the equator
    Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
  • Q. The most abundant metal in the Earth’s Crust is
    A)Aluminium
    B)Zinc
    C)Copper
    D)Iron
    Answer: Aluminium
  • Q. Consider the following statements: While it is 6.30 AM (Sunday) in London, it is around 1. 2.30 AM (Sunday) in Honolulu (Hawaii) 2. 8.30 PM (Saturday) in Honolulu (Hawaii) 3. 3.30 PM (Sunday) in Tokyo 4. 1.30 AM (Sunday) in Tokyo Which of these statements is/are correct?
    A)1 and 4
    B)4 only
    C)2 and 3
    D)2 and 4
    Answer: 2 and 3
  • Q. The Earth rotates-around an axis pointing towards ________
    A)The sun
    B)The moon
    C)The pole star
    D)Venus
    Answer: The pole star
  • Q. Which one of the following is the time required for the Earth to return to a given point in its orbit with reference to fixed star, called?
    A)Tropical year
    B)Lunar year
    C)Solar year
    D)Sideral year
    Answer: Sideral year
  • Q. When it is 12 noon at Greenwich, what is the time at New York (74° W) ?
    A)7.04 p.m.
    B)4.56 p.m.
    C)4.56 a.m.
    D)7.04 a.m.
    Answer: 7.04 a.m.
  • Q. An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. Where does it land?
    A)50° N Lat., 30° W Long
    B)30° N Lat., 50° W Long
    C)30° S Lat., 130° W Long
    D)30° N Lat., 130°W Long
    Answer: 30° S Lat., 130° W Long
  • Q. The earth is at the largest distance from the sun (Apehelion) on ________
    A)July 4th
    B)June 21st
    C)January 3rd
    D)September 23rd
    Answer: July 4th
  • Q. World’s longest land border is between which two contries?
    A)Switzerland and Italy
    B)Australia and New Zealand
    C)India and China
    D)Canada and USA
    Answer: Canada and USA
  • Q. Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
    A)1 alone
    B)2 alone
    C)2, 3 and 4
    D)1, 3 and 4
    Answer: 2, 3 and 4
  • Q. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. Marble is the metamorphosed form of
    A)Sandstone
    B)Shale
    C)Basalt
    D)Limestone
    Answer: Limestone
  • Q. The International Date Line makes slight deviation from 180° meridian so that it ________
    A)Does not divide a group of islands under the same administration
    B)Divides the land masses under the same administration
    C)Does not divide the Bering strait
    D)Divides the Pacific Ocean into two equal halves
    Answer: Does not divide a group of islands under the same administration

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