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. The latitude of a place expresses its angular position relative to the place of ________
    A)North pole
    B)Axis of the earth
    C)Equator
    D)South pole
    Answer: Equator
  • Q. The antipodal position of a place located at 35° south and 80° west is
    A)100°north and 80° East
    B)55° north and 80° East
    C)35° north and 100° East
    D)55° south and 10° East
    Answer: 35° north and 100° East
  • Q. Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
    A)Tides
    B)Currents
    C)Runoff
    D)Waves
    Answer: Tides
  • Q. The instrument to measure the area on maps is called
    A)Pantograph
    B)Planimeter
    C)Ideograph
    D)Opisometer
    Answer: Planimeter
  • Q. The time of Cairo is 2 hours ahead of Greenwich time Cairo is situated at ________
    A)30° East
    B)27° East
    C)27° West
    D)30° West
    Answer: 30° East
  • Q. The Earth is tilted on its axis
    A)21. 5°
    B)23.5°
    C)22.5°
    D)20°
    Answer: 23.5°
  • Q. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • 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. In the earliest days when life originated on earth, the atmosphere contained ________
    A)Oxygen in fixed form
    B)Free oxygen
    C)No oxygen
    D)Oxygen bound to carbon
    Answer: Oxygen bound to carbon
  • 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. 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 imaginary lines joining places of same height at equal intervals are
    A)Spot-heights
    B)Hachures
    C)Contours
    D)Isomers
    Answer: Contours
  • Q. What is the meaning of “Midnight Sun”?
    A)Very bright Moon
    B)Evening light
    C)Rising Sun
    D)Shining of Sun in Arctic and Antarctica circle
    Answer: Shining of Sun in Arctic and Antarctica circle
  • Q. The heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________
    A)Mantle
    B)Crust
    C)Core
    D)Ocean floors
    Answer: Ocean floors
  • Q. What is the term used for the day on 23 September when day and night are equal throughout the world?
    A)Winter Solstice
    B)Autumnal Equinox
    C)Astronomical Equinox
    D)Spring Equinox
    Answer: Autumnal Equinox
  • Q. The distance between the earth and the sun is smallest in the month of ________
    A)June
    B)January
    C)March
    D)September
    Answer: January
  • Q. When and where did the concept of the Earth Hour started?
    A)April, 2008 in Tokyo, Japan
    B)June, 2007 in Christchurch, New Zealand
    C)May, 2009 in Colombo, Srilanka
    D)March, 2007 in Sydney, Australia
    Answer: March, 2007 in Sydney, Australia
  • Q. Latitude of place is indicative of its ________
    A)Amount of rainfall
    B)Time
    C)Altitude
    D)Temperature
    Answer: Temperature
  • Q. Which star is nearest to the Earth?
    A)Pole star
    B)Sun
    C)Alpha Centauri
    D)Chitra
    Answer: Sun
  • 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

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