Q. What is ‘Sidereal Day’?

Correct Answer

The time during which the earth makes a complete rotation on its axis in respect of the fixed stars

More Questions on Earth

  • 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. 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. 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. Who Invented Universal Standard Time?
    A)Sandford Fleming
    B)Enrico Fermi
    C)Adolf Gaston Eugen Fick
    D)Benoit Fourneyron
    Answer: Sandford Fleming
  • Q. Geostationary orbit is at a height of ________
    A)3600 km
    B)6 km
    C)1000 km
    D)36,000 km
    Answer: 36,000 km
  • Q. Which one of the following elements is most abundant in the earth’s crust?
    A)Silicon
    B)Oxygen
    C)Sulphur
    D)Carbon
    Answer: Oxygen
  • 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 Isohels are the isopleths of
    A)Rain
    B)Sunshine
    C)Flowering time
    D)Clouds
    Answer: Sunshine
  • Q. What is the difference between the Local time and Greenwich time one degree longitude?
    A)6 minutes
    B)2 minutes
    C)4 minutes
    D)8 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 one of the following has geographical position of 0° latitude and 0° longitude?
    A)In Ghana, a West African-country
    B)In the South Atlantic Ocean
    C)In the Mediterranean Sea
    D)At Greenwich Observatory in England
    Answer: In the South Atlantic Ocean
  • Q. If a traveller going from Vancouver to Tokyo crosses the International Date Line on Saturday, what will be the day for him at Tokyo?
    A)Sunday
    B)Friday
    C)Saturday
    D)Monday
    Answer: Sunday
  • 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. If a place is located at 20°N, 80°E in which of the following continents does it lie?
    A)Europe
    B)Africa
    C)Asia
    D)North America
    Answer: Asia
  • Q. All the watches of a country are set according to ________
    A)Greenwich mean time
    B)Local time
    C)Standard time of the country
    D)Time of sunrise and sunset
    Answer: Standard time of the country
  • Q. Days and nights are similar here
    A)Antarctica
    B)Poles
    C)Main time zone
    D)Equator
    Answer: Equator
  • Q. How many time zones has the world been divided into?
    A)90
    B)15
    C)24
    D)180
    Answer: 24
  • Q. Which of the following is/are true of world time zones? I. The world is divided into thirty time zones II. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian III. All countries have more than one time zone IV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast
    A)I, III and IV
    B)I, II, III and IV
    C)II and IV
    D)II only
    Answer: II only
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. Which of the following are true regarding equinoxes? 1. They occur on March 21st and September 23rd 2. They depict equal days and equal nights on March 21st and September 23rd on all places of the earth 3. All places on the earth have equal temperature during equinoxes.
    A)1 and 3 only
    B)1 and 2 only
    C)2 and 3 only
    D)1, 2 and 3
    Answer: 1 and 2 only

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