Q. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________

Correct Answer

22 km

More Questions on Earth

  • 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. What is the correct sequence of the following in the context of the age of the earth since its origin? 1. Cenozoic 2. Mesozoic 3. Palaeozoic 4. Protozoic
    A)3, 4, 1, 2
    B)4, 3, 1, 2
    C)3, 4, 2, 1
    D)4, 3, 2, 1
    Answer: 4, 3, 2, 1
  • Q. Of the total volume of the earth, which layer forms the major part ?
    A)Mantle
    B)Sial
    C)Sima
    D)Core
    Answer: Core
  • Q. How much is the difference of time between any two consecutive longitudes?
    A)4 minutes
    B)10 minutes
    C)14 minutes
    D)30 minutes
    Answer: 4 minutes
  • Q. Latitude of place is indicative of its ________
    A)Amount of rainfall
    B)Time
    C)Altitude
    D)Temperature
    Answer: Temperature
  • Q. Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of 66%.
    A)1 and 3
    B)1and 2
    C)2 and 3
    D)1, 2 and 3
    Answer: 2 and 3
  • Q. The point in the orbit of a moon that is farthest from the Earth and at which the moon’s velocity is at a minimum, the known as ________
    A)Umbra
    B)Apehelion
    C)Apogee
    D)Perihelion
    Answer: Apogee
  • Q. Tides are caused by the gravitational forces of
    A)Of Sun and Moon on Earth
    B)Of Earth on Moon
    C)Of Earth on Sun
    D)Of Moon on Earth
    Answer: Of Sun and Moon on Earth
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • 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. 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. 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. Insolation heats up the land masses more quickly than the water bodies because ________
    A)Water needs more energy to get warm
    B)Water is liquid
    C)Landmasses are solid
    D)Rocks are bad conductors of heat
    Answer: Water needs more energy to get warm
  • Q. Which one of the following is not the effect of the revolution of the Earth.
    A)Determination of latitudes
    B)Change of seasons
    C)Length of days and nights
    D)Change in the direction of winds and ocean currents
    Answer: Change in the direction of winds and ocean currents
  • Q. The longitudinal, transverse and surface waves in an earthquake originate from
    A)The focus on the surface of the earth
    B)The focus within the body of the earth
    C)The epicentre on the surface of the earth
    D)The epicentre within the body of the earth
    Answer: The focus within the body of the earth
  • 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. Summer Solstice in the Southern Hemisphere occurs on ________
    A)01st June
    B)21st December
    C)01st September
    D)01st March
    Answer: 21st December
  • Q. Which one of the following is the correct sequence of the given continents in the decreasing order of their percentage of Earth’s land?
    A)North America – Africa – Europe – South America
    B)North America – Africa – South America – Europe
    C)Africa – North America – South America – Europe
    D)Africa – North America – Europe – South America
    Answer: Africa – North America – South America – Europe
  • Q. The local time at A is 4 pm, when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°
    A)Neither I nor II
    B)Only I
    C)Only II
    D)Both I and II
    Answer: Both I and II
  • Q. Lunar eclipse is caused when the ________
    A)Sun comes between the earth and moon
    B)Moon comes between the sun and the earth
    C)Earth comes between the sun and the moon
    D)None of these
    Answer: Earth comes between the sun and the moon

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