Q. Days and nights are caused by : 1. rotation of the earth on its axis 2. revolution of the earth around the sun 3. inclination of the earth’s axis

Correct Answer

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More Questions on Earth

  • Q. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate
    A)The radius of the Earth
    B)The distance between the Sun and the Earth
    C)The depth of the ocean
    D)The radius of the Sun
    Answer: The radius of the Earth
  • Q. The planet which has the highest surface temperature is
    A)Pluto
    B)Jupiter
    C)Earth
    D)Venus
    Answer: Venus
  • Q. When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
    A)12.00 A.M.
    B)4.00 P.M.
    C)8.00 A.M.
    D)12.00 Noon
    Answer: 8.00 A.M.
  • 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. A radio broadcast from Delhi on Monday at 7.30 p.m. is heard at New York on ________
    A)The same day at 7:30 AM
    B)Tuesday at 8.35 PM
    C)The same day at 7.30 PM
    D)The same day at 10:00AM
    Answer: The same day at 10:00AM
  • Q. ________ is a natural electrical phenomenon characterized by the appearance of streams of reddish or greenish light in the sky, especially near the northern or southern magnetic pole
    A)Albopictus
    B)Acaulis
    C)Matus
    D)Aurora
    Answer: Aurora
  • Q. A one-day Cricket match between India and England starts at 10.00 A.M. in London. The direct telecast of the match will begin in India at ________
    A)3.30 P.M.
    B)3.30 A.M.
    C)8.30 A.M.
    D)8.30 P.M.
    Answer: 3.30 P.M.
  • Q. Lunar eclipse is caused when the ________
    A)Sun comes between the earth and moon
    B)Moon comes between the sun and the earth
    C)Earth comes between the sun and the moon
    D)None of these
    Answer: Earth comes between the sun and the moon
  • 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. The Earth rotates-around an axis pointing towards ________
    A)The sun
    B)The moon
    C)The pole star
    D)Venus
    Answer: The pole star
  • 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. 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. Light from the Sun reaches us in nearly
    A)6 min.
    B)8 min.
    C)2 min.
    D)4 min.
    Answer: 8 min.
  • 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. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • Q. Which of the following is not an effect produced by rotation of earth?
    A)Winds change their directions
    B)It causes days and nights
    C)All heavenly bodies like sun, moon, planets appear to move from East to West
    D)Poles have days and nights of 6 months duration
    Answer: Poles have days and nights of 6 months duration
  • Q. Which one of the following minerals occurs abundantly in the Earth’s crust?
    A)Manganese
    B)Bauxite
    C)Silica
    D)Iron
    Answer: Silica
  • 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. 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. 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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