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. Geostationary orbit is at a height of ________
    A)3600 km
    B)6 km
    C)1000 km
    D)36,000 km
    Answer: 36,000 km
  • 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. The amount of insolation received at a place on the surface of the earth depends on ________
    A)Its longitude
    B)Its climate
    C)Its latitude
    D)Both (a)and (b)
    Answer: Both (a)and (b)
  • Q. The planet which has the highest surface temperature is
    A)Pluto
    B)Jupiter
    C)Earth
    D)Venus
    Answer: Venus
  • Q. What is ‘Sidereal Day’?
    A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
    B)The day on which the duration of sunshine is the maximum
    C)The day on which the duration of sunshine and darkness are equal
    D)The day on which the sun reaches its maximum distance from the equator
    Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • Q. Who among the following was first to measure the circumference of the Earth?
    A)Hecataeus
    B)Eratosthenes
    C)Aristotle
    D)Herodotus
    Answer: Eratosthenes
  • Q. On December 22, the sun: 1. is not visible at north pole 2. is only visible for a few minutes at the Antarctic Circle 3. rises south of east and sets south of west at the Tropic of Cancer 4. rises south of east and set south of west at the equator
    A)1, 3 and 4
    B)1 and 3
    C)2, 3 and 4
    D)1, 2, 3 and 4
    Answer: 1, 3 and 4
  • 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 statements is correct ? 1. All meridians are of the same length 2. All latitudes are of the same length 3. The Prime Meridian is the longest meridian 4. The Equator is the longest latitude
    A)3 and 4
    B)1 and 2
    C)2 and 3
    D)1 and 4
    Answer: 1 and 4
  • Q. Why are winters more severe in Southern Hemisphere than in the Northern Hemisphere?
    A)Because of more iceberg activity in Southern Hemisphere
    B)Earth is tilted towards the Sun in the Northern Hemisphere
    C)Northern Hemisphere receives more sunlight
    D)Southern Hemisphere is less inhabited
    Answer: Because of more iceberg activity in Southern Hemisphere
  • Q. World’s longest land border is between which two contries?
    A)Switzerland and Italy
    B)Australia and New Zealand
    C)India and China
    D)Canada and USA
    Answer: Canada and USA
  • Q. If it is 4 P.M. on Monday at 150°W, what will be the time at 150°E ?
    A)4 p.m. on Sunday
    B)4 a.m. on Tuesday
    C)4 p.m. on Tuesday
    D)12 Noon on Tuesday
    Answer: 12 Noon on Tuesday
  • 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 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. Maximum difference in the spacing of longitudes is ________
    A)At tropics
    B)At poles
    C)At equator
    D)At arctic circle
    Answer: At equator
  • Q. One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at ________
    A)8.52 AM
    B)8.13 AM
    C)8.26 AM
    D)8.56 AM
    Answer: 8.52 AM
  • Q. The term ‘syzygy’ is referred to when the ________
    A)Moon and sun are at right angles with reference to the earth
    B)Earth is at perihelion and moon at perigee
    C)Earth is at apehelion and moon at apogee
    D)Moon, sun and earth lie along a straight line
    Answer: Moon, sun and earth lie along a straight line
  • Q. Lunar eclipse occurs on ________
    A)Half moon
    B)New moon
    C)Full moon
    D)Quarter moon
    Answer: Full moon
  • Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
    A)When the sun's rays fall vertically on the Tropic of Cancer
    B)March 21
    C)September 21
    D)When the sun's rays fall vertically on the Tropic of Capricorn
    Answer: When the sun's rays fall vertically on the Tropic of Cancer

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