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.

Correct Answer

1 and 2

More Questions on Earth

  • 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. The area of the Earth’s total surface is of the order of ________.
    A)400 million square kilometres
    B)510 million square kilometres
    C)450 million square kilometres
    D)350 million square kilometres
    Answer: 510 million square kilometres
  • Q. Day and night are formed
    A)Due to the speed of rotaion
    B)Due to the shape of the orbit of Earth
    C)Due to the motion of revolution
    D)None of these
    Answer: Due to the speed of rotaion
  • Q. The mapping of which of the following is most difficult ?
    A)Interior of the Earth
    B)Mountains
    C)Plateaus and Plains
    D)Oceans and their depth
    Answer: Interior of the Earth
  • Q. Which star is nearest to the Earth?
    A)Pole star
    B)Sun
    C)Alpha Centauri
    D)Chitra
    Answer: Sun
  • Q. Bridgmanite is
    A)Earth's most abundant mineral
    B)A bridge on the river Thames
    C)Name of a game
    D)Name of a music
    Answer: Earth's most abundant mineral
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • 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. When does the Sun shine vertically on the Equator?
    A)Twice a year
    B)Throughout the year
    C)For six months
    D)Once a year
    Answer: Twice a year
  • 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. The surface of Earth that lies between the Tropic of Cancer and the Tropic of Capricorn is called ________
    A)South Temperate Zone
    B)North Temperate Zone
    C)Frigid Zone
    D)Torrid Zone
    Answer: Torrid Zone
  • 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. What is the approximate circumference of Earth?
    A)80,000 Km
    B)40,000 Km
    C)60,000 Km
    D)1,00,000 Km
    Answer: 40,000 Km
  • Q. What is the interval between a high tide and low tide at a given place?
    A)15 hours 30 minutes
    B)12 hours
    C)12 hours 26 minutes
    D)24 hours
    Answer: 12 hours 26 minutes
  • 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. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • Q. If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)?
    A)1:30 PM
    B)7:30 AM
    C)9:00 AM
    D)12:00 Noon
    Answer: 1:30 PM
  • Q. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
    A)Accra (Ghana)
    B)London (UK)
    C)Lisbon (Portugal)
    D)Addis Ababa (Ethiopia)
    Answer: Addis Ababa (Ethiopia)
  • Q. Light from the Sun reaches us in nearly
    A)6 min.
    B)8 min.
    C)2 min.
    D)4 min.
    Answer: 8 min.
  • Q. Latitude of a point on the earth is measured by the distance in ________
    A)Angles from the poles
    B)Kilometers from the poles
    C)Kilometers from the equator
    D)Angles from the equator
    Answer: Angles from the equator

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