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 seasonal contrasts are maximum in ________
    A)Sub tropics
    B)Low latitudes
    C)Mid-latitudes
    D)High latitudes
    Answer: Mid-latitudes
  • 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 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. Summer Solstice in the Southern Hemisphere occurs on ________
    A)01st June
    B)21st December
    C)01st September
    D)01st March
    Answer: 21st December
  • Q. Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
    A)1 alone
    B)2 alone
    C)2, 3 and 4
    D)1, 3 and 4
    Answer: 2, 3 and 4
  • 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
    A)2 and 3 are correct
    B)Only 1 is correct
    C)1 and 2 are correct
    D)All are correct
    Answer: Only 1 is correct
  • 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. The most abundant metal in the Earth’s Crust is
    A)Aluminium
    B)Zinc
    C)Copper
    D)Iron
    Answer: Aluminium
  • 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 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. 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. 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 total surface area of earth is ________
    A)710 million sq km
    B)510 million sq km
    C)610 million sq km
    D)810 million sq km
    Answer: 510 million sq km
  • 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. Tides are caused by the gravitational pull of the
    A)Sun and Moon on the Earth
    B)Earth on the Moon
    C)Earth on the Sun
    D)Moon on the Earth
    Answer: Sun and Moon on the Earth
  • Q. The Earth turns through 360° in 24 hours. Each 15° longitude represents ________
    A)One hour
    B)Half an hour
    C)Forty five minutes
    D)One hour fifteen minutes
    Answer: One hour
  • Q. After Sun, which is the closest star to the Earth?
    A)Proxima centauri
    B)Vega
    C)Sirius
    D)Alpha centauri
    Answer: Proxima centauri
  • Q. If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)?
    A)1:30 PM
    B)7:30 AM
    C)9:00 AM
    D)12:00 Noon
    Answer: 1:30 PM
  • Q. Which of these statements are correct? 1. Prime Meridian passes through Greenwich and is at 0° Longitude. 2. International Date Line, on the map appears as a straight line along 180° Longitude. 3. While crossing International Date Line from east to west, one gains a day. 4. Tropic of Cancer lies at Latitude.
    A)1 and 3
    B)1, 2, 3 and 4
    C)1, 2 and 4
    D)1 and 4
    Answer: 1 and 4
  • Q. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________
    A)41 km
    B)22 km
    C)36 km
    D)53 km
    Answer: 22 km

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