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

Correct Answer

Ocean floors

More Questions on Earth

  • Q. The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone
    A)II and III
    B)III only
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and III
  • 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. Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively ________
    A)30° East and 75° West
    B)75° West and 30° East
    C)70° East and 35° West
    D)35° West and 70° East
    Answer: 30° East and 75° West
  • 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. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • 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
  • Q. The Earth is an oblate spheroid and not a perfect sphere. This is because 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. The Earth is tilted on its axis
    A)21. 5°
    B)23.5°
    C)22.5°
    D)20°
    Answer: 23.5°
  • Q. The science of drawing map is called
    A)Topology
    B)Cartography
    C)Geography
    D)Geology
    Answer: Cartography
  • Q. What is the position of the Earth when it is at the greatest distance from the Sun?
    A)Perihelion
    B)Aphelion
    C)Antipode
    D)Aldiatc
    Answer: Aphelion
  • Q. Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
    A)Tides
    B)Currents
    C)Runoff
    D)Waves
    Answer: Tides
  • Q. Which of the following statements regarding the International Date line are correct? 1. It is a longitude of 180° 2. It is determined by 180° longitude but is not a straight line 3. It is a Greenwich meridian helping in fixing time and date 4. It solves the problem of time and date among the World’s nations
    A)2 Only
    B)1 and 4
    C)3 and 4
    D)3, 2 and 4
    Answer: E
  • Q. What is the study of Moon called?
    A)Iridology
    B)Selenology
    C)Cosmology
    D)Planetology
    Answer: Selenology
  • Q. The boundary between Earth’s Crust and Mantle is ________.
    A)Conrad discontinuity
    B)Moho discontinuity
    C)Lehman discontinuity
    D)Gutenberg discontinuity
    Answer: Moho discontinuity
  • Q. When it is 12 noon at Greenwich, what is the time at New York (74° W) ?
    A)7.04 p.m.
    B)4.56 p.m.
    C)4.56 a.m.
    D)7.04 a.m.
    Answer: 7.04 a.m.
  • Q. The earth’s annual circuit round the sun covers a distance of ________
    A)966 million kms
    B)1,096 million kms
    C)1,036 million kms
    D)896 million kms
    Answer: 966 million kms
  • Q. Which one of the following elements is most abundant in the earth’s crust?
    A)Silicon
    B)Oxygen
    C)Sulphur
    D)Carbon
    Answer: Oxygen
  • Q. The position of the earth in its orbit, when it is at its greatest distance from the Sun causing summer in the Northern hemisphere is ________
    A)Perigee
    B)Perihelion
    C)Aphelion
    D)Apogee
    Answer: Aphelion
  • Q. What percentage of insolation is received by the earth’s surface?
    A)0.66
    B)0.47
    C)0.51
    D)0.87
    Answer: 0.47

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