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. 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.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. In how much time, Earth rotates once on its axis?
    A)23 hours 10 minutes 2 sec
    B)23 hours 30 minutes
    C)23 hours 56 minutes 4.9 sec
    D)24 hours
    Answer: 23 hours 56 minutes 4.9 sec
  • Q. An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. Where does it land?
    A)50° N Lat., 30° W Long
    B)30° N Lat., 50° W Long
    C)30° S Lat., 130° W Long
    D)30° N Lat., 130°W Long
    Answer: 30° S Lat., 130° W Long
  • Q. Which of the following countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
    A)1, 2 and 3
    B)1 only
    C)2 only
    D)1, 3 and 4
    Answer: 1 only
  • Q. On which day, Earth is closest to the Sun?
    A)04-07-2019
    B)23-09-2019
    C)03-01-2019
    D)21-03-2019
    Answer: 03-01-2019
  • Q. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________
    A)41 km
    B)22 km
    C)36 km
    D)53 km
    Answer: 22 km
  • Q. The shortest day in Australia will be on ________
    A)01-09-2023
    B)21-06-2021
    C)01-12-2022
    D)01-03-2021
    Answer: 21-06-2021
  • Q. The Earth rotates on its axis at an inclination of
    A)21.5°
    B)23.5°
    C)22.5°
    D)20.0°
    Answer: 23.5°
  • Q. The Equator does not pass through which of the following?
    A)Indonesia
    B)Kenya
    C)Mexico
    D)Brazil
    Answer: Mexico
  • 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. The Sun shines 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. The latitude of a place expresses its angular position relative to the plane of
    A)North pole
    B)Axis of the Earth
    C)Equator
    D)South pole
    Answer: Equator
  • Q. Equinox occurs when the Sun is vertically above
    A)Poles
    B)Tropic of Capricorn
    C)Tropic of Cancer
    D)Equator
    Answer: Equator
  • 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. Which one of the following has geographical position of 0° latitude and 0° longitude?
    A)In Ghana, a West African-country
    B)In the South Atlantic Ocean
    C)In the Mediterranean Sea
    D)At Greenwich Observatory in England
    Answer: In the South Atlantic Ocean
  • Q. The longest circle which can be drawn on the earth’s surface passes through ________
    A)Arctic Circle
    B)Equator
    C)Tropic of Cancer
    D)Tropic of Capricorn
    Answer: Equator
  • 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. ________ 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
    A)Albopictus
    B)Acaulis
    C)Matus
    D)Aurora
    Answer: Aurora
  • 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. Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively ________
    A)30° East and 75° West
    B)75° West and 30° East
    C)70° East and 35° West
    D)35° West and 70° East
    Answer: 30° East and 75° West

Leave a Comment