Q. The heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________

Correct Answer

Ocean floors

More Questions on Earth

  • 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. Masses of stars and galaxies are usually expressed in ________.
    A)Lunar mass
    B)Earth's mass
    C)Solar mass
    D)Neutron mass
    Answer: Solar mass
  • Q. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. When the Moon completely covers the Sun, it is known as?
    A)The Penumbra
    B)The Antumbra
    C)The Umbra
    D)None of these
    Answer: The Umbra
  • 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 approximate diameter of the earth is ________
    A)12,800 Km
    B)4,200 Km
    C)6,400 Km
    D)15,600 Km
    Answer: 12,800 Km
  • Q. Days and nights are similar here
    A)Antarctica
    B)Poles
    C)Main time zone
    D)Equator
    Answer: Equator
  • Q. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • Q. The upper part of the mantle upon which the crust of the Earth floats is called ________
    A)Mohorovic discontinuity
    B)Barysphere
    C)Mesophere
    D)Asthenosphere
    Answer: Asthenosphere
  • Q. If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
    A)40°
    B)30°
    C)35°
    D)45°
    Answer: 35°
  • Q. Lunar eclipse occurs on ________
    A)Half moon
    B)New moon
    C)Full moon
    D)Quarter moon
    Answer: Full moon
  • Q. How many kilometers are represented by 1° of latitude?
    A)111 km
    B)321 km
    C)211 km
    D)91 km
    Answer: 111 km
  • Q. Which of the following is/are true of world time zones? I. The world is divided into thirty time zones II. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian III. All countries have more than one time zone IV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast
    A)I, III and IV
    B)I, II, III and IV
    C)II and IV
    D)II only
    Answer: II only
  • Q. The imaginary lines which connects the places of same temperature are called
    A)Isohaline
    B)Isobar
    C)Isohyet
    D)Isotherm
    Answer: Isotherm
  • Q. Lunar eclipse does not occur every month because ________
    A)The moon's orbit is not all the time in the same plane as the earth
    B)The sun's orbit is not always in the same plane as the moon
    C)The moon revolves at a slower speed than the earth
    D)None of these
    Answer: The moon's orbit is not all the time in the same plane as the earth
  • 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. When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
    A)12.00 A.M.
    B)4.00 P.M.
    C)8.00 A.M.
    D)12.00 Noon
    Answer: 8.00 A.M.
  • Q. Which of the following is not an effect produced by rotation of earth?
    A)Winds change their directions
    B)It causes days and nights
    C)All heavenly bodies like sun, moon, planets appear to move from East to West
    D)Poles have days and nights of 6 months duration
    Answer: Poles have days and nights of 6 months duration
  • Q. Which of the following statement is correct?
    A)Relative humidity is denoted in gram per cubic meter of air.
    B)Air capacity of vaporization reduces with the rise in the temperature of air.
    C)Atmospheric pressure reduces due to rise in temperature.
    D)Temperature decreases 10°C at every 165 height
    Answer: Atmospheric pressure reduces due to rise in temperature.
  • Q. A one-day Cricket match between India and England starts at 10.00 A.M. in London. The direct telecast of the match will begin in India at ________
    A)3.30 P.M.
    B)3.30 A.M.
    C)8.30 A.M.
    D)8.30 P.M.
    Answer: 3.30 P.M.

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