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. Which of the following Isohels are the isopleths of
    A)Rain
    B)Sunshine
    C)Flowering time
    D)Clouds
    Answer: Sunshine
  • Q. If the earth’s direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?
    A)18.30 hrs
    B)06.30 hrs
    C)05.30 hrs
    D)17.30 hrs
    Answer: 06.30 hrs
  • Q. A person sets off from Alaska on a Tuesday and reaches New Zealand the next day which will be ________
    A)Thursday
    B)Tuesday
    C)Wednesday
    D)Friday
    Answer: Thursday
  • 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. The South Pole experiences continuous light at ________
    A)Vernal equinox
    B)Summer solstice
    C)Winter solstice
    D)No time
    Answer: Winter solstice
  • 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. Which of the following phenomenon is/are the effect of the rotation of the Earth? 1. Apparent movement of the Sun, the Moon and the Stars. 2. Flatness of the poles and bulge at the Equator. 3. Occurrence of sunrise, noon and sunset 4. Magnetic field of the earth.
    A)1, 2 and 3
    B)1 and 3
    C)2 and 3
    D)1, 2, 3 and 4
    Answer: 1, 2, 3 and 4
  • 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. When a ship crosses Date line from west to east ________
    A)It loses half a day
    B)It loses one day
    C)It gains one day
    D)It gains half a day
    Answer: It gains one day
  • Q. The difference in the duration of day and night increases as one moves from ________
    A)Poles to equator
    B)West to east
    C)East and west of the prime meridian
    D)Equator to poles
    Answer: Equator to 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 sun reaches its maximum angular distance from the equator at the ________
    A)Equinox
    B)Zenith
    C)Solstice
    D)Noontime
    Answer: Solstice
  • Q. Lunar eclipse occurs on ________
    A)Half moon
    B)New moon
    C)Full moon
    D)Quarter moon
    Answer: Full moon
  • Q. The speed of rotation of the earth is the highest ________
    A)Along the Tropic of Cancer
    B)Along the Equator
    C)At the North Pole
    D)Along the Arctic Circle
    Answer: Along the Equator
  • 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 percentage of insolation is received by the earth’s surface?
    A)0.66
    B)0.47
    C)0.51
    D)0.87
    Answer: 0.47
  • Q. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • 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. The imaginary lines which connects the places of same temperature are called
    A)Isohaline
    B)Isobar
    C)Isohyet
    D)Isotherm
    Answer: Isotherm
  • Q. At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near ________
    A)The Tropic of Capricorn
    B)The Arctic Circle
    C)The Tropic of Cancer
    D)The South Pole
    Answer: The Tropic of Capricorn

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