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 mean radius of the earth is approximately ________
    A)9600 km
    B)3200 km
    C)6400 km
    D)12800 km
    Answer: 6400 km
  • Q. When the clock strikes 12:00 noon at Greenwich, it strikes 5:30 p.m. at place X on the same day. What is the meridian of longitude of place X ?
    A)82°30' E
    B)97°30' E
    C)97°30' W
    D)82°30' W
    Answer: 82°30' E
  • Q. Which of the following pairs of metals are supposed to constitute the internal core of the earth?
    A)Iron and Copper
    B)Chromium and Iron
    C)Magnesium and Lead
    D)Nickel and Iron
    Answer: Nickel and Iron
  • Q. How old is Earth, It is decided by which of the following processes?
    A)Gravity Method
    B)Geologic Time Scale
    C)Radiometric Dating
    D)Fossil Dating
    Answer: Radiometric Dating
  • Q. The seasonal contrasts are maximum in ________
    A)Sub tropics
    B)Low latitudes
    C)Mid-latitudes
    D)High latitudes
    Answer: Mid-latitudes
  • Q. Latitude and longitude both ________
    A)Run parallel to each other
    B)Pass through poles
    C)Run parallel to the equator
    D)Run perpendicular to each other
    Answer: Run perpendicular to each other
  • Q. Lunar eclipse is caused when the ________
    A)Sun comes between the earth and moon
    B)Moon comes between the sun and the earth
    C)Earth comes between the sun and the moon
    D)None of these
    Answer: Earth comes between the sun and the moon
  • Q. The Equator does not pass through which of the following?
    A)Indonesia
    B)Kenya
    C)Mexico
    D)Brazil
    Answer: Mexico
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. Equator represents
    A)A belt (ring) around the planet Saturn
    B)Line joining North and South poles
    C)Imaginary line passing round the Earth midway between North & South poles
    D)Axis of rotation of Earth
    Answer: Imaginary line passing round the Earth midway between North & South poles
  • Q. Which of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth’s volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
    A)I, II and IV
    B)I and II
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and IV
  • Q. Latitude of a point on the earth is measured by the distance in ________
    A)Angles from the poles
    B)Kilometers from the poles
    C)Kilometers from the equator
    D)Angles from the equator
    Answer: Angles from the equator
  • Q. The time of Cairo is 2 hours ahead of Greenwich time Cairo is situated at ________
    A)30° East
    B)27° East
    C)27° West
    D)30° West
    Answer: 30° East
  • Q. The revelations of a satellite photograph of the earth are as follows: 1. the Southern hemisphere bulges slightly more than the Northern hemisphere 2. it is slightly pear shaped ellipsoid of rotation 3. the polar axis of the earth is slightly shorter than the equatorial axis 4. the equatorial circumference is about 40,000km Which of the above statements are correct ?
    A)1, 2 and 4
    B)1, 2 and 3
    C)1, 2, 3 and 4
    D)2, 3 and 4
    Answer: 2, 3 and 4
  • Q. If the earth’s axis had not been inclined: I. temperature distribution would have been uniform II. days and nights would not have occurred III. seasons would not have occurred IV. poles would not have a continuous day
    A)III and IV
    B)I, III and IV
    C)II and IV
    D)II, III and IV
    Answer: III and IV
  • Q. Isobar lines show
    A)Depth
    B)Pressure
    C)Rain
    D)Time
    Answer: Pressure
  • Q. Summer Solstice in the Southern Hemisphere occurs on ________
    A)01st June
    B)21st December
    C)01st September
    D)01st March
    Answer: 21st December
  • Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
    A)When the sun's rays fall vertically on the Tropic of Cancer
    B)March 21
    C)September 21
    D)When the sun's rays fall vertically on the Tropic of Capricorn
    Answer: When the sun's rays fall vertically on the Tropic of Cancer
  • Q. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • Q. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth

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