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

Correct Answer

Eratosthenes

More Questions on Earth

  • Q. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • 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. What is ‘Sidereal Day’?
    A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
    B)The day on which the duration of sunshine is the maximum
    C)The day on which the duration of sunshine and darkness are equal
    D)The day on which the sun reaches its maximum distance from the equator
    Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
  • 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. 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. If it is 4 P.M. on Monday at 150°W, what will be the time at 150°E ?
    A)4 p.m. on Sunday
    B)4 a.m. on Tuesday
    C)4 p.m. on Tuesday
    D)12 Noon on Tuesday
    Answer: 12 Noon on Tuesday
  • Q. Which of these statements are correct? 1. Earth is the fourth largest planet of the solar system 2. Earth’s circumference is about 45000 km 3. Earth’s polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km
    A)2 and 3
    B)1 and 2
    C)1 and 4
    D)3 and 4
    Answer: 3 and 4
  • Q. The Earth is tilted on its axis
    A)21. 5°
    B)23.5°
    C)22.5°
    D)20°
    Answer: 23.5°
  • Q. When the Earth is at the maximum distance from the Sun, it is called
    A)Equinox
    B)Aphelion
    C)Perihelion
    D)Sidereal
    Answer: Aphelion
  • Q. Which of the following pair is incorrect?
    A)0° latitude - Equator
    B)0° longitude - Prime Meridian
    C)0° longitude - Equator
    D)23.5° North - Tropic of Cancer
    Answer: 0° longitude - Equator
  • Q. What can be the maximum duration of totality for a solar eclipse?
    A)1 hour 40 seconds
    B)12.5 minutes
    C)7 minutes 40 seconds
    D)There is no maximum duration
    Answer: 7 minutes 40 seconds
  • Q. Which of the followings are related with “Lithosphere”?
    A)Earth's Crust
    B)Plant and Insect
    C)Earth's Interior
    D)None of these
    Answer: Earth's Crust
  • Q. Which of the following pair is CORRECT? I. Prime Meridian – Longitude, II. Tropic of Cancer – Latitude, III. Equator – Latitude
    A)2 and 3
    B)1 and 2
    C)1 and 3
    D)All options are correct
    Answer: All options are correct
  • Q. What is the approximate equatorial circumference of the earth?
    A)40,000 Km
    B)30,000 Km
    C)35,000 Km
    D)45,000 Km
    Answer: 40,000 Km
  • Q. Antipodes are ________
    A)Places located at a point where degree of latitude is equal to degree of longitude
    B)Lines joining places having a time difference of 12 hours
    C)Places diametrically opposite on earth's surface
    D)Lines joining places having the same depths
    Answer: Places diametrically opposite on earth's surface
  • Q. We always see the same surface of the Moon because
    A)It takes the same time to rotate on its axis and moving around the Earth
    B)It is smaller than the Earth
    C)It rotates on its axis
    D)It moves with the same speed at which Earth moves around the Sun
    Answer: It takes the same time to rotate on its axis and moving around the Earth
  • 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 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 revelations of a satellite photograph of the earth are as follows: 1. the Southern hemisphere bulges slightly more than the Northern hemisphere 2. it is slightly pear shaped ellipsoid of rotation 3. the polar axis of the earth is slightly shorter than the equatorial axis 4. the equatorial circumference is about 40,000km Which of the above statements are correct ?
    A)1, 2 and 4
    B)1, 2 and 3
    C)1, 2, 3 and 4
    D)2, 3 and 4
    Answer: 2, 3 and 4
  • Q. How old is Earth, It is decided by which of the following processes?
    A)Gravity Method
    B)Geologic Time Scale
    C)Radiometric Dating
    D)Fossil Dating
    Answer: Radiometric Dating

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