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 axis of rotation of earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?
    A)At Mumbai the sun can come overhead, but it will never do so at Delhi
    B)The sun can come overhead at both these places
    C)The sun will never come overhead at either of these places
    D)At Delhi the sun can come overhead but it will never do so at Mumbai
    Answer: At Mumbai the sun can come overhead, but it will never do so at Delhi
  • 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 equatorial circumference is greater than the polar circumference by approximately ________
    A)125 km
    B)22 km
    C)67 km
    D)625 km
    Answer: 67 km
  • Q. How old is Earth, It is decided by which of the following processes?
    A)Gravity Method
    B)Geologic Time Scale
    C)Radiometric Dating
    D)Fossil Dating
    Answer: Radiometric Dating
  • 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. 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. The position of the sun is annually twice overhead at Singapore because of the ________
    A)Elliptical path of the earth's orbit
    B)Rotation of the earth
    C)Revolution of the earth
    D)Parallelism of inclined axis of the earth
    Answer: Parallelism of inclined axis of the earth
  • 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
  • Q. A one-day Cricket match between India and England starts at 10.00 A.M. in London. The direct telecast of the match will begin in India at ________
    A)3.30 P.M.
    B)3.30 A.M.
    C)8.30 A.M.
    D)8.30 P.M.
    Answer: 3.30 P.M.
  • Q. When the Moon completely covers the Sun, it is known as?
    A)The Penumbra
    B)The Antumbra
    C)The Umbra
    D)None of these
    Answer: The Umbra
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • Q. What is the difference between the Local time and Greenwich time one degree longitude?
    A)6 minutes
    B)2 minutes
    C)4 minutes
    D)8 minutes
    Answer: 4 minutes
  • Q. If the earth’s axis had not been inclined: I. temperature distribution would have been uniform II. days and nights would not have occurred III. seasons would not have occurred IV. poles would not have a continuous day
    A)III and IV
    B)I, III and IV
    C)II and IV
    D)II, III and IV
    Answer: III and IV
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would likely to be ________
    A)Annular
    B)Total
    C)Partial
    D)None of these
    Answer: Annular
  • Q. If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
    A)40°
    B)30°
    C)35°
    D)45°
    Answer: 35°
  • Q. The Sun shines 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. Isobar lines show
    A)Depth
    B)Pressure
    C)Rain
    D)Time
    Answer: Pressure
  • Q. Lunar eclipse occurs on ________
    A)Half moon
    B)New moon
    C)Full moon
    D)Quarter moon
    Answer: Full moon
  • 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

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