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

Correct Answer

I, II and IV

More Questions on Earth

  • Q. Japan is called ‘land of the rising sun’ because ________
    A)Japan being the Eastern most country in the World, it has the earliest sunrise
    B)Sun rises there as soon as it sets
    C)Sun always remains in the eastern part of the sky throughout the day in Japan
    D)The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
    Answer: Japan being the Eastern most country in the World, it has the earliest sunrise
  • Q. Marble is the metamorphosed form of
    A)Sandstone
    B)Shale
    C)Basalt
    D)Limestone
    Answer: Limestone
  • Q. Which one of the following organisations is responsible for publishing topographical sheets?
    A)Indian Meteorological Department (I.M.D.)
    B)Geological Survey of India (G.S.I.)
    C)National Atlas & Thematic Mapping Organisation (N.A.T.M.O.)
    D)Survey of India (S.O.I.)
    Answer: Survey of India (S.O.I.)
  • Q. Albedo is defined as ________
    A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
    B)UV radiations sent out by the SUN
    C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
    D)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
    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
  • Q. Which of the following statements is correct ? 1. All meridians are of the same length 2. All latitudes are of the same length 3. The Prime Meridian is the longest meridian 4. The Equator is the longest latitude
    A)3 and 4
    B)1 and 2
    C)2 and 3
    D)1 and 4
    Answer: 1 and 4
  • Q. The earth rotates around its axis from ________
    A)South to north
    B)North to south
    C)East to west
    D)West to east
    Answer: West to east
  • Q. When it is 12.00 noon at Delhi (77° 10’E), people at another place on earth take their 6 o’clock morning tea. The longitude of that place is ________
    A)172°30' E
    B)17°30' E
    C)12°50' W
    D)17°E
    Answer: 12°50' W
  • 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. Tides in the sea have stored in them ________
    A)Gravitational potential energy
    B)Hydraulic energy
    C)Kinetic energy
    D)A combination of all the above three forms of energy
    Answer: A combination of all the above three forms of energy
  • Q. The International Date Line passes through ________
    A)Florida strait
    B)Bering strait
    C)Gibraltar strait
    D)Malacca strait
    Answer: Bering strait
  • 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. There is a continual daylight or summer in the Arctic regions from ________
    A)21st March to 23rd September
    B)22nd December to 21st March
    C)21st March to 21st June
    D)21st June to 22nd December
    Answer: 21st March to 23rd September
  • Q. All the watches of a country are set according to ________
    A)Greenwich mean time
    B)Local time
    C)Standard time of the country
    D)Time of sunrise and sunset
    Answer: Standard time of the country
  • 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. The core of the Earth is made up of ________
    A)Both iron and silica in the liquid form
    B)Mainly of iron in the liquid form
    C)Mainly of nickel in the liquid form
    D)Both iron and magnesium in the plastic state
    Answer: Both iron and magnesium in the plastic state
  • 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. ________ 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. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • Q. The word used to describe the shape of earth is ________
    A)Sphere
    B)Flat
    C)Circle
    D)Oblate spheroid
    Answer: Oblate spheroid
  • Q. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal

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