Earth Geography

Q. The mean radius of the earth is approximately ________

A
9600 km
B
3200 km
C
6400 km
D
12800 km

Correct Answer

6400 km

More Questions on 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
  • Q. The speed of rotation of the earth is ________
    A)39.5 km/sec.
    B)25 km/sec.
    C)31 km/sec.
    D)29.72 km/sec.
    Answer: 29.72 km/sec.
  • Q. The Mohorovicic (Moho) Discontinuity separates
    A)Sima and Nife
    B)Outer core and Mantle
    C)Inner and Outer core
    D)Crust and Mantle
    Answer: Crust and Mantle
  • 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. Equator represents
    A)A belt (ring) around the planet Saturn
    B)Line joining North and South poles
    C)Imaginary line passing round the Earth midway between North & South poles
    D)Axis of rotation of Earth
    Answer: Imaginary line passing round the Earth midway between North & South poles
  • 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
  • Q. The location of a place A is at 60° E longitude and 30° S latitude while the location of B is at 60° E longitude and 45° N latitude. Time at B will be ________
    A)Half an hour ahead or behind that of A
    B)Half an hour behind A
    C)Half an hour ahead of A
    D)The same as that of A
    Answer: The same as that of A
  • 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 Earth turns through 360° in 24 hours. Each 15° longitude represents ________
    A)One hour
    B)Half an hour
    C)Forty five minutes
    D)One hour fifteen minutes
    Answer: One hour
  • Q. Which planet in our solar system is nearly as big as the Earth?
    A)Venus
    B)Mercury
    C)Mars
    D)Pluto
    Answer: Venus
  • Q. Consider a specific point on the surface of the earth (say Delhi). The temperature at a given time of day (say 12.00 Noon) will in general be higher in summer than in winter. This is because ________
    A)The earth is closer to the sun in summer than in winter
    B)The evaporation of water from atmosphere results in precipitation occurring in winter alone
    C)Sun-rays falling on the earth are inclined more towards the sun in winter
    D)The axis of the earth is inclined more towards the sun in winter
    Answer: Sun-rays falling on the earth are inclined more towards the sun in winter
  • Q. Which of the following line represents the line which connects the places of equal rain?
    A)Isobar
    B)Isohypse
    C)Isohalines
    D)Isohyets
    Answer: Isohyets
  • 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. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
    A)Carbon
    B)Silicon
    C)Oxygen
    D)Calcium
    Answer: Oxygen
  • Q. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise?
    A)10.00 p.m
    B)8.24 p.m
    C)9. 12 p.m
    D)11.48 p.m
    Answer: 10.00 p.m
  • Q. Which part of the earth’s surface receives the highest amount of insolation?
    A)Savanna region
    B)Tropical deserts
    C)Equatorial region
    D)No such criteria
    Answer: Tropical deserts
  • Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
    A)When the sun's rays fall vertically on the Tropic of Cancer
    B)March 21
    C)September 21
    D)When the sun's rays fall vertically on the Tropic of Capricorn
    Answer: When the sun's rays fall vertically on the Tropic of Cancer
  • Q. What is the difference between the Local time and Greenwich time one degree longitude?
    A)6 minutes
    B)2 minutes
    C)4 minutes
    D)8 minutes
    Answer: 4 minutes
  • 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 organisations is responsible for publishing topographical sheets?
    A)Indian Meteorological Department (I.M.D.)
    B)Geological Survey of India (G.S.I.)
    C)National Atlas & Thematic Mapping Organisation (N.A.T.M.O.)
    D)Survey of India (S.O.I.)
    Answer: Survey of India (S.O.I.)

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