Q. ________ is a natural electrical phenomenon characterized by the appearance of streams of reddish or greenish light in the sky, especially near the northern or southern magnetic pole

Correct Answer

Aurora

More Questions on Earth

  • Q. Geostationary orbit is at a height of ________
    A)3600 km
    B)6 km
    C)1000 km
    D)36,000 km
    Answer: 36,000 km
  • Q. The latitude of a place is the same as the ________
    A)Angle between the horizon and the equator
    B)Maximum altitude attained by the Sun at noon
    C)Altitude of the celestial pole
    D)Zenith distance of the full moon when on the meridian
    Answer: Zenith distance of the full moon when on the meridian
  • Q. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • Q. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • Q. Due to gravity, acceleration at the Equator is
    A)Equal to acceleration on poles
    B)Less than acceleration on poles
    C)More than acceleration on poles
    D)Not dependant on the centrifugal acceleration of Earth
    Answer: Less than acceleration on poles
  • Q. Japan is called ‘land of the rising sun’ because ________
    A)Japan being the Eastern most country in the World, it has the earliest sunrise
    B)Sun rises there as soon as it sets
    C)Sun always remains in the eastern part of the sky throughout the day in Japan
    D)The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
    Answer: Japan being the Eastern most country in the World, it has the earliest sunrise
  • Q. Which of the following statements with regard to the term ‘great circle’ is not correct?
    A)Only one great circle can be drawn on a sphere
    B)Equator is a great circle
    C)A ship can save fuel and time by following the great circle arc between two points
    D)A great circle results when a plane passes through the centre of a sphere
    Answer: Only one great circle can be drawn on a sphere
  • 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. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate
    A)The radius of the Earth
    B)The distance between the Sun and the Earth
    C)The depth of the ocean
    D)The radius of the Sun
    Answer: The radius of the Earth
  • 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 heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________
    A)Mantle
    B)Crust
    C)Core
    D)Ocean floors
    Answer: Ocean floors
  • 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. 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. 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. At the summer solstice, which one of the following latitudes will have the longest night?
    A)60°N
    B)45°N
    C)45°S
    D)60°S
    Answer: 60°S
  • 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. 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 best describes longitude?
    A)The angular distance east or west of the Greenwich meridian
    B)An imaginary line joining north and south poles
    C)The distance between a place east or west of the Greenwich Meridian
    D)The position of a place on earth's surface with reference to the Prime Meridian
    Answer: The angular distance east or west of the Greenwich meridian
  • Q. What is the approximate equatorial circumference of the earth?
    A)40,000 Km
    B)30,000 Km
    C)35,000 Km
    D)45,000 Km
    Answer: 40,000 Km
  • 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

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