Earth Geography

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

Correct Answer

Both iron and magnesium in the plastic state

More Questions on Earth

  • Q. Magnetic Meridian is a
    A)Line joining the geographic north and geographic south of Earth
    B)Line parallel to the equator of the Earth
    C)Latitude
    D)Plane passing through the magnetic north and magnetic south of Earth
    Answer: Plane passing through the magnetic north and magnetic south of Earth
  • Q. Who was the first to measure the circumference of the Earth?
    A)Eratosthenes
    B)Erechtheus
    C)Aegeus
    D)Apheidas
    Answer: Eratosthenes
  • Q. Latitude and longitude both ________
    A)Run parallel to each other
    B)Pass through poles
    C)Run parallel to the equator
    D)Run perpendicular to each other
    Answer: Run perpendicular to each other
  • Q. If a traveller going from Vancouver to Tokyo crosses the International Date Line on Saturday, what will be the day for him at Tokyo?
    A)Sunday
    B)Friday
    C)Saturday
    D)Monday
    Answer: Sunday
  • Q. In the context of ‘time’ GMT means
    A)Global Mean Time
    B)General Meridian Time
    C)Greenwich Mean Time
    D)None of these
    Answer: Greenwich Mean Time
  • 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. The place which has the longest day and the shortest night on 22nd December, is ________
    A)Melbourne
    B)Chennai
    C)Madrid
    D)Moscow
    Answer: Melbourne
  • Q. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. Which among the following statments is true regarding International Date Line?
    A)It is a big circle
    B)It is 180° Longitude
    C)It is a straight line
    D)It is a curved line beyond Earth
    Answer: It is 180° Longitude
  • 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. Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
    A)1 alone
    B)2 alone
    C)2, 3 and 4
    D)1, 3 and 4
    Answer: 2, 3 and 4
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
    A)Mantle
    B)Central core
    C)Crust
    D)Both B and C
    Answer: Central core
  • Q. Which of the following statements is true?
    A)Both latitudes and longitudes are great circles
    B)Arctic circle, antarctic circle and equator are great circles
    C)Both equator and longitudes are great circles
    D)Both equator and latitudes are great circles
    Answer: Both equator and longitudes are great circles
  • Q. What is ‘Sidereal Day’?
    A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
    B)The day on which the duration of sunshine is the maximum
    C)The day on which the duration of sunshine and darkness are equal
    D)The day on which the sun reaches its maximum distance from the equator
    Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
  • Q. Heat received by earth from the Sun is known as ________
    A)Solar radiation
    B)Insolation
    C)Solar heat
    D)Thermal radiation
    Answer: Solar radiation
  • Q. Days and nights are caused by : 1. rotation of the earth on its axis 2. revolution of the earth around the sun 3. inclination of the earth’s axis
    A)2 and 3 are correct
    B)Only 1 is correct
    C)1 and 2 are correct
    D)All are correct
    Answer: Only 1 is correct
  • Q. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
    A)Heat balance of earth
    B)Earth radiation
    C)Wave balance of earth
    D)Radiation exchange
    Answer: Heat balance of earth
  • Q. The axis of rotation of earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?
    A)At Mumbai the sun can come overhead, but it will never do so at Delhi
    B)The sun can come overhead at both these places
    C)The sun will never come overhead at either of these places
    D)At Delhi the sun can come overhead but it will never do so at Mumbai
    Answer: At Mumbai the sun can come overhead, but it will never do so at Delhi

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