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

Correct Answer

Aurora

More Questions on Earth

  • 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. When the clock strikes 12:00 noon at Greenwich, it strikes 5:30 p.m. at place X on the same day. What is the meridian of longitude of place X ?
    A)82°30' E
    B)97°30' E
    C)97°30' W
    D)82°30' W
    Answer: 82°30' E
  • 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. At the summer solstice, which one of the following latitudes will have the longest night?
    A)60°N
    B)45°N
    C)45°S
    D)60°S
    Answer: 60°S
  • Q. Heat received by earth from the Sun is known as ________
    A)Solar radiation
    B)Insolation
    C)Solar heat
    D)Thermal radiation
    Answer: Solar radiation
  • Q. During Lunar eclipse, which of the following is at the centre?
    A)Sun
    B)Earth
    C)Moon
    D)Any other planet
    Answer: Earth
  • Q. On which of the following date/dates, Winter Solstice is observed in Northern Hemisphere? I. 21st December II. 5th August III. 10th January
    A)Only 3
    B)Only 1
    C)1 and 2 Both
    D)Only 2
    Answer: Only 1
  • Q. The region which is resistant to the transformation of macro structure, is called?
    A)Tectonic plate
    B)Firm structure
    C)Ancient structure
    D)Shield
    Answer: Shield
  • Q. Due to gravity, acceleration at the Equator is
    A)Equal to acceleration on poles
    B)Less than acceleration on poles
    C)More than acceleration on poles
    D)Not dependant on the centrifugal acceleration of Earth
    Answer: Less than acceleration on poles
  • Q. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • Q. The position of the sun is annually twice overhead at Singapore because of the ________
    A)Elliptical path of the earth's orbit
    B)Rotation of the earth
    C)Revolution of the earth
    D)Parallelism of inclined axis of the earth
    Answer: Parallelism of inclined axis of the earth
  • Q. The mapping of which of the following is most difficult ?
    A)Interior of the Earth
    B)Mountains
    C)Plateaus and Plains
    D)Oceans and their depth
    Answer: Interior of the Earth
  • Q. The core of the Earth is made up of ________
    A)Both iron and silica in the liquid form
    B)Mainly of iron in the liquid form
    C)Mainly of nickel in the liquid form
    D)Both iron and magnesium in the plastic state
    Answer: Both iron and magnesium in the plastic state
  • Q. Which among the following statments is true regarding International Date Line?
    A)It is a big circle
    B)It is 180° Longitude
    C)It is a straight line
    D)It is a curved line beyond Earth
    Answer: It is 180° Longitude
  • Q. Dolomite is a/an
    A)Igneous rock
    B)Sedimentary rock
    C)Plutonic rock
    D)Metamorphic rock
    Answer: Sedimentary rock
  • 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. 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. The acceleration due to gravity at the equator
    A)Is equal to that at the poles
    B)Is less than that at the poles
    C)Is greater than that at the poles
    D)Does not depend on the Earth centripetal acceleration
    Answer: Is less than that at the poles
  • Q. When does solar eclipse take place?
    A)When the Moon is between the Sun and Earth
    B)When the Sun is between the Moon and Earth
    C)When the Earth is between the Moon and Sun
    D)When the Moon does not lie on the line joining the Sun and Earth
    Answer: When the Moon is between the Sun and Earth
  • Q. Sea tides show variations because of ________
    A)Distorted spherical shape of the earth
    B)Variations in gravitational pull of the moon
    C)Variations in gravitational pull of the sun
    D)Different phases of the moon
    Answer: Different phases of the moon

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