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

Correct Answer

Eratosthenes

More Questions on Earth

  • Q. Which of the following best describes longitude?
    A)The angular distance east or west of the Greenwich meridian
    B)An imaginary line joining north and south poles
    C)The distance between a place east or west of the Greenwich Meridian
    D)The position of a place on earth's surface with reference to the Prime Meridian
    Answer: The angular distance east or west of the Greenwich meridian
  • Q. If there are four places on the same meridian 500 km apart and the local time at one place is 12.00 noon, what will be the time at the three other places?
    A)2.00 pm
    B)12.00 noon
    C)1.00 pm
    D)Different time at different places
    Answer: 12.00 noon
  • Q. How many kilometers are represented by 1° of latitude?
    A)111 km
    B)321 km
    C)211 km
    D)91 km
    Answer: 111 km
  • Q. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal
  • Q. World’s longest land border is between which two contries?
    A)Switzerland and Italy
    B)Australia and New Zealand
    C)India and China
    D)Canada and USA
    Answer: Canada and USA
  • Q. The sun reaches its maximum angular distance from the equator at the ________
    A)Equinox
    B)Zenith
    C)Solstice
    D)Noontime
    Answer: Solstice
  • Q. On Monday, the 14th June, a man crosses the International Date Line at 5 p.m. from the Asian side to the American side. Which of the following will he now assume to be the correct date and time?
    A)5 a.m. of Monday, the 14th June
    B)5 a.m. of Tuesday, the 15th June
    C)5 p.m. of Tuesday, the 15th June
    D)5 p.m. of Sunday, the 13th June
    Answer: 5 p.m. of Sunday, the 13th June
  • Q. The core of the Earth is made up of ________
    A)Both iron and silica in the liquid form
    B)Mainly of iron in the liquid form
    C)Mainly of nickel in the liquid form
    D)Both iron and magnesium in the plastic state
    Answer: Both iron and magnesium in the plastic state
  • Q. The Synchronous satellite moves around the Earth from
    A)North to South
    B)East to West
    C)West to East
    D)South to North
    Answer: West to East
  • Q. Which of the following statements is true?
    A)Both latitudes and longitudes are great circles
    B)Arctic circle, antarctic circle and equator are great circles
    C)Both equator and longitudes are great circles
    D)Both equator and latitudes are great circles
    Answer: Both equator and longitudes are great circles
  • Q. The earth rotates around its axis from ________
    A)South to north
    B)North to south
    C)East to west
    D)West to east
    Answer: West to east
  • Q. It is six months long day in the northern polar region and six months long night in the southern polar region because ________
    A)Earth is rotating
    B)Earth is revolving around the sun
    C)Earth is inclined towards its orbital plane
    D)None of these
    Answer: Earth is inclined towards its orbital plane
  • 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. “Mohs’ Scale” is used to indicate the ________
    A)Degree of viscosity of a liquid
    B)Degree of brittleness of a substance
    C)Degree of hardness of minerals.
    D)Degree of elasticity of a material
    Answer: Degree of hardness of minerals.
  • 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 are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth’s volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
    A)I, II and IV
    B)I and II
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and IV
  • Q. When the Moon completely covers the Sun, it is known as?
    A)The Penumbra
    B)The Antumbra
    C)The Umbra
    D)None of these
    Answer: The Umbra
  • 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 largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • Q. The place which has the longest day and the shortest night on 22nd December, is ________
    A)Melbourne
    B)Chennai
    C)Madrid
    D)Moscow
    Answer: Melbourne

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