Q. The core of the Earth is made up of ________

Correct Answer

Both iron and magnesium in the plastic state

More Questions on Earth

  • 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 pairs of metals are supposed to constitute the internal core of the earth?
    A)Iron and Copper
    B)Chromium and Iron
    C)Magnesium and Lead
    D)Nickel and Iron
    Answer: Nickel and Iron
  • Q. Tides are caused by the gravitational pull of the
    A)Sun and Moon on the Earth
    B)Earth on the Moon
    C)Earth on the Sun
    D)Moon on the Earth
    Answer: Sun and Moon on the Earth
  • Q. The position of the sun is annually twice overhead at Singapore because of the ________
    A)Elliptical path of the earth's orbit
    B)Rotation of the earth
    C)Revolution of the earth
    D)Parallelism of inclined axis of the earth
    Answer: Parallelism of inclined axis of the earth
  • Q. When and where did the concept of the Earth Hour started?
    A)April, 2008 in Tokyo, Japan
    B)June, 2007 in Christchurch, New Zealand
    C)May, 2009 in Colombo, Srilanka
    D)March, 2007 in Sydney, Australia
    Answer: March, 2007 in Sydney, Australia
  • Q. The deflection of the winds to the right in the northern hemisphere is caused by
    A)Uneven heating of the Earth
    B)Revolution of the Earth
    C)Rotation of the Earth
    D)All the above
    Answer: Rotation of the Earth
  • Q. What are the imaginary lines encircling the Earth horizontally called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Latitudes
  • Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
    A)When the sun's rays fall vertically on the Tropic of Cancer
    B)March 21
    C)September 21
    D)When the sun's rays fall vertically on the Tropic of Capricorn
    Answer: When the sun's rays fall vertically on the Tropic of Cancer
  • Q. The speed of rotation of the earth is ________
    A)39.5 km/sec.
    B)25 km/sec.
    C)31 km/sec.
    D)29.72 km/sec.
    Answer: 29.72 km/sec.
  • 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. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • 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. The antipodal position of a place located at 35° south and 80° west is
    A)100°north and 80° East
    B)55° north and 80° East
    C)35° north and 100° East
    D)55° south and 10° East
    Answer: 35° north and 100° East
  • 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. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. The latitude of a place expresses its angular position relative to the place of ________
    A)North pole
    B)Axis of the earth
    C)Equator
    D)South pole
    Answer: Equator
  • 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. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal
  • Q. The speed of rotation of the earth is the highest ________
    A)Along the Tropic of Cancer
    B)Along the Equator
    C)At the North Pole
    D)Along the Arctic Circle
    Answer: Along the Equator
  • Q. Spring tides occur when ________
    A)The moon, the sun and the earth are at right angles with the earth at the apex
    B)The moon is nearest to the earth
    C)The moon is farthest from the earth
    D)The moon, the sun and the earth are in the same line
    Answer: The moon, the sun and the earth are in the same line

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