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. The Mohorovicic (Moho) Discontinuity separates
    A)Sima and Nife
    B)Outer core and Mantle
    C)Inner and Outer core
    D)Crust and Mantle
    Answer: Crust and Mantle
  • Q. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. The Gutenberg discontinuity is between ________
    A)The outer core and the lower mantle
    B)The crust and the mantle
    C)The upper and lower mantles
    D)The inner and outer cores
    Answer: The outer core and the lower mantle
  • 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. One degree of the circumference of the earth measures(approx.) ________
    A)151 km
    B)100 km
    C)111 km
    D)175 km
    Answer: 111 km
  • Q. On Monday, the 14th June, a man crosses the International Date Line at 5 p.m. from the Asian side to the American side. Which of the following will he now assume to be the correct date and time?
    A)5 a.m. of Monday, the 14th June
    B)5 a.m. of Tuesday, the 15th June
    C)5 p.m. of Tuesday, the 15th June
    D)5 p.m. of Sunday, the 13th June
    Answer: 5 p.m. of Sunday, the 13th June
  • Q. The Moon is showing its same face to the Earth because
    A)Its periods of rotation and revolution are the same
    B)It is not rotating about its own axis
    C)Its rotation and revolution are opposite
    D)Its rotation is faster than its revolution
    Answer: Its periods of rotation and revolution are the same
  • Q. The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone
    A)II and III
    B)III only
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and III
  • Q. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below
    A)2, 1, 2003
    B)1, 2, 2003
    C)1, 3, 2002
    D)3, 1, 2002
    Answer: 2, 1, 2003
  • Q. The imaginary lines which connects the places of same temperature are called
    A)Isohaline
    B)Isobar
    C)Isohyet
    D)Isotherm
    Answer: Isotherm
  • Q. What is the alternate name for contour lines?
    A)Isohypse
    B)Isopotential
    C)Isotherm
    D)Isohyet
    Answer: Isohypse
  • Q. Which of the following best describes longitude?
    A)The angular distance east or west of the Greenwich meridian
    B)An imaginary line joining north and south poles
    C)The distance between a place east or west of the Greenwich Meridian
    D)The position of a place on earth's surface with reference to the Prime Meridian
    Answer: The angular distance east or west of the Greenwich meridian
  • 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. 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
  • 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. Which of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth’s volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
    A)I, II and IV
    B)I and II
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and IV
  • Q. The Earth is an oblate spheroid and not a perfect sphere. This is because 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. When does tides rise in sea?
    A)When Moon is on first phase
    B)Only on lunar day
    C)Full Moon and half Moon
    D)Only half Moon
    Answer: Full Moon and half Moon
  • Q. When does the Sun shine vertically on the Equator?
    A)Twice a year
    B)Throughout the year
    C)For six months
    D)Once a year
    Answer: Twice a year
  • Q. The approximate circumference of the Earth is
    A)25,000 km
    B)13,000 km
    C)20,000 km
    D)40,000 km
    Answer: 40,000 km

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