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. Marble is the metamorphosed form of
    A)Sandstone
    B)Shale
    C)Basalt
    D)Limestone
    Answer: Limestone
  • Q. What are the imaginary lines encircling the Earth horizontally called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Latitudes
  • 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
  • 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. The region which is resistant to the transformation of macro structure, is called?
    A)Tectonic plate
    B)Firm structure
    C)Ancient structure
    D)Shield
    Answer: Shield
  • 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 heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________
    A)Mantle
    B)Crust
    C)Core
    D)Ocean floors
    Answer: Ocean floors
  • Q. Gravitational force is maximum at which of the following place?
    A)At Tropic of Capricorn
    B)At Equator
    C)At Tropic of Cancer
    D)At Poles
    Answer: At Poles
  • Q. Which planet in our solar system is nearly as big as the Earth?
    A)Venus
    B)Mercury
    C)Mars
    D)Pluto
    Answer: Venus
  • Q. Tides are caused by the gravitational forces of
    A)Of Sun and Moon on Earth
    B)Of Earth on Moon
    C)Of Earth on Sun
    D)Of Moon on Earth
    Answer: Of Sun and Moon on Earth
  • Q. The distance of the equator from either of the poles is ________
    A)10,002 km
    B)500 km
    C)5001 km
    D)36,005 km
    Answer: 10,002 km
  • 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. On which date is India likely to experience the shortest day?
    A)3rd January
    B)22nd December
    C)21st June
    D)23rd March
    Answer: 22nd December
  • Q. At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
    A)1 and 2
    B)1
    C)2 and 3
    D)1, 2 and 3
    Answer: 1
  • Q. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • 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 one of the following is not the effect of the revolution of the Earth.
    A)Determination of latitudes
    B)Change of seasons
    C)Length of days and nights
    D)Change in the direction of winds and ocean currents
    Answer: Change in the direction of winds and ocean currents
  • 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. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise?
    A)10.00 p.m
    B)8.24 p.m
    C)9. 12 p.m
    D)11.48 p.m
    Answer: 10.00 p.m
  • Q. Which one of the following is the correct sequence of the given continents in the decreasing order of their percentage of Earth’s land?
    A)North America – Africa – Europe – South America
    B)North America – Africa – South America – Europe
    C)Africa – North America – South America – Europe
    D)Africa – North America – Europe – South America
    Answer: Africa – North America – South America – Europe

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