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. Which of the following statement is correct?
    A)Relative humidity is denoted in gram per cubic meter of air.
    B)Air capacity of vaporization reduces with the rise in the temperature of air.
    C)Atmospheric pressure reduces due to rise in temperature.
    D)Temperature decreases 10°C at every 165 height
    Answer: Atmospheric pressure reduces due to rise in temperature.
  • Q. Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
    A)Tides
    B)Currents
    C)Runoff
    D)Waves
    Answer: Tides
  • 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. The Synchronous satellite moves around the Earth from
    A)North to South
    B)East to West
    C)West to East
    D)South to North
    Answer: West to East
  • Q. The instrument to measure the area on maps is called
    A)Pantograph
    B)Planimeter
    C)Ideograph
    D)Opisometer
    Answer: Planimeter
  • Q. The point in the orbit of a moon that is farthest from the Earth and at which the moon’s velocity is at a minimum, the known as ________
    A)Umbra
    B)Apehelion
    C)Apogee
    D)Perihelion
    Answer: Apogee
  • Q. Which of these statements are correct? 1. Earth is the fourth largest planet of the solar system 2. Earth’s circumference is about 45000 km 3. Earth’s polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km
    A)2 and 3
    B)1 and 2
    C)1 and 4
    D)3 and 4
    Answer: 3 and 4
  • Q. The area of the Earth’s total surface is of the order of ________.
    A)400 million square kilometres
    B)510 million square kilometres
    C)450 million square kilometres
    D)350 million square kilometres
    Answer: 510 million square kilometres
  • Q. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • Q. Green House Effect’ means ________
    A)Trapping of solar energy due to atmospheric carbon dioxide
    B)Pollution in houses in tropical regions
    C)Trapping of solar energy due to atmospheric oxygen
    D)Cultivation in green houses so as to check pollution
    Answer: Trapping of solar energy due to atmospheric carbon dioxide
  • Q. Of the total volume of the earth, which layer forms the major part ?
    A)Mantle
    B)Sial
    C)Sima
    D)Core
    Answer: Core
  • Q. The earth is at the largest distance from the sun (Apehelion) on ________
    A)July 4th
    B)June 21st
    C)January 3rd
    D)September 23rd
    Answer: July 4th
  • Q. The Earth is tilted on its axis
    A)21. 5°
    B)23.5°
    C)22.5°
    D)20°
    Answer: 23.5°
  • 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. The latitude of a place expresses its angular position relative to the place of ________
    A)North pole
    B)Axis of the earth
    C)Equator
    D)South pole
    Answer: Equator
  • Q. Which among the following imaginary line lies at 0° latitude?
    A)Tropic of Capricorn
    B)Equator
    C)Tropic of Cancer
    D)Prime Meridian
    Answer: Equator
  • Q. Which of the following are true regarding equinoxes? 1. They occur on March 21st and September 23rd 2. They depict equal days and equal nights on March 21st and September 23rd on all places of the earth 3. All places on the earth have equal temperature during equinoxes.
    A)1 and 3 only
    B)1 and 2 only
    C)2 and 3 only
    D)1, 2 and 3
    Answer: 1 and 2 only
  • 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. Who among the following was first to measure the circumference of the Earth?
    A)Hecataeus
    B)Eratosthenes
    C)Aristotle
    D)Herodotus
    Answer: Eratosthenes

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