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 longitudinal, transverse and surface waves in an earthquake originate from
    A)The focus on the surface of the earth
    B)The focus within the body of the earth
    C)The epicentre on the surface of the earth
    D)The epicentre within the body of the earth
    Answer: The focus within the body of the earth
  • Q. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
    A)Accra (Ghana)
    B)London (UK)
    C)Lisbon (Portugal)
    D)Addis Ababa (Ethiopia)
    Answer: Addis Ababa (Ethiopia)
  • Q. The earth revolves round the sun in its orbit by approximately ________
    A)3° per day
    B)1° per day
    C)2° per day
    D)5° per day
    Answer: 1° per day
  • Q. Equator is
    A)The girdle around the Saturn
    B)Line which connects north and south poles
    C)Imaginary line which rotates around the Earth in the centre of north and south poles
    D)Axis of the rotation of the Earth
    Answer: Imaginary line which rotates around the Earth in the centre of north and south poles
  • Q. If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)?
    A)1:30 PM
    B)7:30 AM
    C)9:00 AM
    D)12:00 Noon
    Answer: 1:30 PM
  • Q. What is the study of Moon called?
    A)Iridology
    B)Selenology
    C)Cosmology
    D)Planetology
    Answer: Selenology
  • Q. Day and night are formed
    A)Due to the speed of rotaion
    B)Due to the shape of the orbit of Earth
    C)Due to the motion of revolution
    D)None of these
    Answer: Due to the speed of rotaion
  • Q. What is the circumference of the Earth?
    A)25,000 km
    B)13,000 km
    C)20,000 km
    D)40,000 km
    Answer: 40,000 km
  • Q. One degree of the circumference of the earth measures(approx.) ________
    A)151 km
    B)100 km
    C)111 km
    D)175 km
    Answer: 111 km
  • Q. Bridgmanite is
    A)Earth's most abundant mineral
    B)A bridge on the river Thames
    C)Name of a game
    D)Name of a music
    Answer: Earth's most abundant mineral
  • 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. ________ is the time taken by the Earth to return to a given point in its orbit with reference to a fixed star.
    A)Solar year
    B)Lunar year
    C)Sidereal year
    D)Tropical year
    Answer: Sidereal year
  • Q. When it is noon along 82° 30′ longitude, along what degree of longitude it will be 6.30 a.m.?
    A)0° E or W
    B)Along 165° E
    C)Along 67° 30' W
    D)Along 82° 31' W
    Answer: 0° E or W
  • Q. Low tides are
    A)Moderate
    B)Strong
    C)Weak
    D)Very Weak
    Answer: Weak
  • Q. When the Earth is at the maximum distance from the Sun, it is called
    A)Equinox
    B)Aphelion
    C)Perihelion
    D)Sidereal
    Answer: Aphelion
  • Q. 1° of latitude is equal to
    A)111 Km
    B)11 Km
    C)211 Km
    D)311 Km
    Answer: 111 Km
  • Q. The heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________
    A)Mantle
    B)Crust
    C)Core
    D)Ocean floors
    Answer: Ocean floors
  • Q. Latitudes include 181 lines while longitudes are 360 lines because ________
    A)Longitude is a line that connects North Pole to South Pole and latitude is divided from east to west
    B)Longitude is divided from prime meridian while latitude is from equator
    C)Longitude is divided from equator while latitude is from prime meridian
    D)None of these
    Answer: Longitude is divided from prime meridian while latitude is from equator
  • Q. The total surface area of earth is ________
    A)710 million sq km
    B)510 million sq km
    C)610 million sq km
    D)810 million sq km
    Answer: 510 million sq km
  • Q. Light from the Sun reaches us in nearly
    A)6 min.
    B)8 min.
    C)2 min.
    D)4 min.
    Answer: 8 min.

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