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. What can be the maximum duration of totality for a solar eclipse?
    A)1 hour 40 seconds
    B)12.5 minutes
    C)7 minutes 40 seconds
    D)There is no maximum duration
    Answer: 7 minutes 40 seconds
  • 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. Through which one of the following groups of countries does the Equator pass?
    A)Brazil, Sudan and Malaysia
    B)Brazil, Zambia and Malaysia
    C)Colombia, Kenya and Indonesia
    D)Venezuela, Ethiopia and Indonesia
    Answer: Colombia, Kenya and Indonesia
  • 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. The latitude of a place is the same as the ________
    A)Angle between the horizon and the equator
    B)Maximum altitude attained by the Sun at noon
    C)Altitude of the celestial pole
    D)Zenith distance of the full moon when on the meridian
    Answer: Zenith distance of the full moon when on the meridian
  • Q. When rain falls through a cold layer of air near the Earth’s surface, raindrops get frozen into ice. This type of precipitation is called
    A)Snowstorm
    B)Hail
    C)Snowfall
    D)Sleet
    Answer: Sleet
  • Q. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
    A)Carbon
    B)Silicon
    C)Oxygen
    D)Calcium
    Answer: Oxygen
  • 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 upper part of the mantle upon which the crust of the Earth floats is called ________
    A)Mohorovic discontinuity
    B)Barysphere
    C)Mesophere
    D)Asthenosphere
    Answer: Asthenosphere
  • Q. Which of the following statements regarding the International Date line are correct? 1. It is a longitude of 180° 2. It is determined by 180° longitude but is not a straight line 3. It is a Greenwich meridian helping in fixing time and date 4. It solves the problem of time and date among the World’s nations
    A)2 Only
    B)1 and 4
    C)3 and 4
    D)3, 2 and 4
    Answer: E
  • 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. 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
  • 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. 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. What are the imaginary lines touching both the poles of Earth called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Longitudes
  • Q. The position of the earth in its orbit, when it is at its greatest distance from the Sun causing summer in the Northern hemisphere is ________
    A)Perigee
    B)Perihelion
    C)Aphelion
    D)Apogee
    Answer: Aphelion
  • Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
    A)Heat balance of earth
    B)Earth radiation
    C)Wave balance of earth
    D)Radiation exchange
    Answer: Heat balance of earth
  • 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. 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. 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

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