Q. Who was the first to measure the circumference of the Earth?

Correct Answer

Eratosthenes

More Questions on Earth

  • 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. Masses of stars and galaxies are usually expressed in ________.
    A)Lunar mass
    B)Earth's mass
    C)Solar mass
    D)Neutron mass
    Answer: Solar mass
  • Q. When it is 12 noon at Greenwich, what is the time at New York (74° W) ?
    A)7.04 p.m.
    B)4.56 p.m.
    C)4.56 a.m.
    D)7.04 a.m.
    Answer: 7.04 a.m.
  • Q. Which of the following is the best definition of ‘Tides’ ?
    A)A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
    B)A powerful movement of the ocean which proceed constantly in a definite direction
    C)A great circulatory movement of sea water caused by difference in density of sea water
    D)A wind and pressure system having a low pressure in centre and circular wind motion
    Answer: A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
  • 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. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • Q. The speed of rotation of the earth is the highest ________
    A)Along the Tropic of Cancer
    B)Along the Equator
    C)At the North Pole
    D)Along the Arctic Circle
    Answer: Along the Equator
  • Q. The distance of the equator from either of the poles is ________
    A)10,002 km
    B)500 km
    C)5001 km
    D)36,005 km
    Answer: 10,002 km
  • 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 of the following pairs is not correctly matched?
    A)23° 20' N latitude - Tropic of Cancer
    B)66° 33' N latitude - Arctic Circle
    C)180°E or 180°W longitude- International Date Line
    D)0°E or 0°W longitude – Equator
    Answer: 0°E or 0°W longitude – Equator
  • Q. Evidence suggests that life on Earth has existed for about ________.
    A)35 million years
    B)3.5 million years
    C)35 billion years
    D)3.5 billion years
    Answer: 3.5 billion years
  • 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. 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
  • Q. 1° of latitude is equal to
    A)111 Km
    B)11 Km
    C)211 Km
    D)311 Km
    Answer: 111 Km
  • Q. The word “Isoneph” represents the lines of equal
    A)Rain
    B)Cloudiness
    C)Salinity
    D)Pressure
    Answer: Cloudiness
  • Q. The equatorial circumference is greater than the polar circumference by approximately ________
    A)125 km
    B)22 km
    C)67 km
    D)625 km
    Answer: 67 km
  • Q. The boundary between Earth’s Crust and Mantle is ________.
    A)Conrad discontinuity
    B)Moho discontinuity
    C)Lehman discontinuity
    D)Gutenberg discontinuity
    Answer: Moho discontinuity
  • Q. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below
    A)2, 1, 2003
    B)1, 2, 2003
    C)1, 3, 2002
    D)3, 1, 2002
    Answer: 2, 1, 2003
  • 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
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava

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