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

Correct Answer

Eratosthenes

More Questions on Earth

  • Q. Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of 66%.
    A)1 and 3
    B)1and 2
    C)2 and 3
    D)1, 2 and 3
    Answer: 2 and 3
  • 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. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • Q. One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at ________
    A)8.52 AM
    B)8.13 AM
    C)8.26 AM
    D)8.56 AM
    Answer: 8.52 AM
  • 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. The International Date Line makes slight deviation from 180° meridian so that it ________
    A)Does not divide a group of islands under the same administration
    B)Divides the land masses under the same administration
    C)Does not divide the Bering strait
    D)Divides the Pacific Ocean into two equal halves
    Answer: Does not divide a group of islands under the same administration
  • Q. How many time zones has the world been divided into?
    A)90
    B)15
    C)24
    D)180
    Answer: 24
  • 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. The difference in the duration of day and night increases as one moves from ________
    A)Poles to equator
    B)West to east
    C)East and west of the prime meridian
    D)Equator to poles
    Answer: Equator to poles
  • Q. Of the total volume of the earth, which layer forms the major part ?
    A)Mantle
    B)Sial
    C)Sima
    D)Core
    Answer: Core
  • Q. Maximum difference in the spacing of longitudes is ________
    A)At tropics
    B)At poles
    C)At equator
    D)At arctic circle
    Answer: At equator
  • Q. If the earth’s direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?
    A)18.30 hrs
    B)06.30 hrs
    C)05.30 hrs
    D)17.30 hrs
    Answer: 06.30 hrs
  • 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. 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. The upper part of the mantle upon which the crust of the Earth floats is called ________
    A)Mohorovic discontinuity
    B)Barysphere
    C)Mesophere
    D)Asthenosphere
    Answer: Asthenosphere
  • Q. At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near ________
    A)The Tropic of Capricorn
    B)The Arctic Circle
    C)The Tropic of Cancer
    D)The South Pole
    Answer: The Tropic of Capricorn
  • 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. 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. What are the imaginary lines touching both the poles of Earth called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Longitudes
  • 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.

Leave a Comment