Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?

Correct Answer

3

More Questions on Earth

  • Q. The seasonal contrasts are maximum in ________
    A)Sub tropics
    B)Low latitudes
    C)Mid-latitudes
    D)High latitudes
    Answer: Mid-latitudes
  • Q. The local time at A is 4 pm, when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°
    A)Neither I nor II
    B)Only I
    C)Only II
    D)Both I and II
    Answer: Both I and II
  • 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. Spring tides occur when ________
    A)The moon, the sun and the earth are at right angles with the earth at the apex
    B)The moon is nearest to the earth
    C)The moon is farthest from the earth
    D)The moon, the sun and the earth are in the same line
    Answer: The moon, the sun and the earth are in the same line
  • 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.)
  • Q. Tides in the sea have stored in them ________
    A)Gravitational potential energy
    B)Hydraulic energy
    C)Kinetic energy
    D)A combination of all the above three forms of energy
    Answer: A combination of all the above three forms of energy
  • 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. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
    A)Mantle
    B)Central core
    C)Crust
    D)Both B and C
    Answer: Central core
  • Q. How much is the difference of time between any two consecutive longitudes?
    A)4 minutes
    B)10 minutes
    C)14 minutes
    D)30 minutes
    Answer: 4 minutes
  • 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. Which of the following is the International Date line?
    A)90° eastern longitude
    B)Equator
    C)0° longitude
    D)180° longitude
    Answer: 180° longitude
  • Q. Dolomite is a/an
    A)Igneous rock
    B)Sedimentary rock
    C)Plutonic rock
    D)Metamorphic rock
    Answer: Sedimentary rock
  • Q. Who Invented Universal Standard Time?
    A)Sandford Fleming
    B)Enrico Fermi
    C)Adolf Gaston Eugen Fick
    D)Benoit Fourneyron
    Answer: Sandford Fleming
  • 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. Latitudes include 181 lines while longitudes are 360 lines because ________
    A)Longitude is a line that connects North Pole to South Pole and latitude is divided from east to west
    B)Longitude is divided from prime meridian while latitude is from equator
    C)Longitude is divided from equator while latitude is from prime meridian
    D)None of these
    Answer: Longitude is divided from prime meridian while latitude is from equator
  • 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. The planet which has the highest surface temperature is
    A)Pluto
    B)Jupiter
    C)Earth
    D)Venus
    Answer: Venus
  • 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. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • 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

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