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

Correct Answer

Ocean floors

More Questions on Earth

  • Q. What is the study of Moon called?
    A)Iridology
    B)Selenology
    C)Cosmology
    D)Planetology
    Answer: Selenology
  • Q. Why does Russia have many local time differences?
    A)Because of its long east-west stretches
    B)Because it keeps trade relations with many countries of the world
    C)Because it experiences a wide range of climatic conditions
    D)Because it is divided into a number of states on political grounds
    Answer: Because of its long east-west stretches
  • Q. What is known as High Pressure Subtropical Latitude?
    A)Screaming sixties
    B)Roaring forties
    C)Furious fifties
    D)Horse latitudes
    Answer: Horse latitudes
  • Q. The difference in the duration of day and night increases as one moves from ________
    A)Poles to equator
    B)West to east
    C)East and west of the prime meridian
    D)Equator to poles
    Answer: Equator to poles
  • Q. Which of the following are true regarding equinoxes? 1. They occur on March 21st and September 23rd 2. They depict equal days and equal nights on March 21st and September 23rd on all places of the earth 3. All places on the earth have equal temperature during equinoxes.
    A)1 and 3 only
    B)1 and 2 only
    C)2 and 3 only
    D)1, 2 and 3
    Answer: 1 and 2 only
  • Q. Which of these statements are correct? 1. Earth is the fourth largest planet of the solar system 2. Earth’s circumference is about 45000 km 3. Earth’s polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km
    A)2 and 3
    B)1 and 2
    C)1 and 4
    D)3 and 4
    Answer: 3 and 4
  • Q. Evidence suggests that life on Earth has existed for about ________.
    A)35 million years
    B)3.5 million years
    C)35 billion years
    D)3.5 billion years
    Answer: 3.5 billion years
  • 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 a ship crosses Date line from west to east ________
    A)It loses half a day
    B)It loses one day
    C)It gains one day
    D)It gains half a day
    Answer: It gains one day
  • Q. The most abundant metal in the Earth’s Crust is
    A)Aluminium
    B)Zinc
    C)Copper
    D)Iron
    Answer: Aluminium
  • Q. Which of the followings are related with “Lithosphere”?
    A)Earth's Crust
    B)Plant and Insect
    C)Earth's Interior
    D)None of these
    Answer: Earth's Crust
  • Q. The Solar eclipse achieves totality only in limited geographical regions because ________
    A)Sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
    B)The trajectories of the Earth around the Sun and the Moon around the Earth are not perfect circles
    C)The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
    D)The Earth is not a smooth flat surface, but has elevations and depressions
    Answer: The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
  • Q. Isobar lines show
    A)Depth
    B)Pressure
    C)Rain
    D)Time
    Answer: Pressure
  • 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. What is the name of the maps, natural and manmade, portray the large forms?
    A)Graffito
    B)Thematic Maps
    C)Atlas Maps
    D)Topographic Maps
    Answer: Thematic Maps
  • Q. The planet which has the highest surface temperature is
    A)Pluto
    B)Jupiter
    C)Earth
    D)Venus
    Answer: Venus
  • 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. What can be the maximum duration of totality for a solar eclipse?
    A)1 hour 40 seconds
    B)12.5 minutes
    C)7 minutes 40 seconds
    D)There is no maximum duration
    Answer: 7 minutes 40 seconds
  • 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. What is the term used for the day on 23 September when day and night are equal throughout the world?
    A)Winter Solstice
    B)Autumnal Equinox
    C)Astronomical Equinox
    D)Spring Equinox
    Answer: Autumnal Equinox

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