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. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
    A)Accra (Ghana)
    B)London (UK)
    C)Lisbon (Portugal)
    D)Addis Ababa (Ethiopia)
    Answer: Addis Ababa (Ethiopia)
  • Q. Which of the following countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
    A)1, 2 and 3
    B)1 only
    C)2 only
    D)1, 3 and 4
    Answer: 1 only
  • Q. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. What is the approximate circumference of Earth?
    A)80,000 Km
    B)40,000 Km
    C)60,000 Km
    D)1,00,000 Km
    Answer: 40,000 Km
  • Q. Which one of the following has geographical position of 0° latitude and 0° longitude?
    A)In Ghana, a West African-country
    B)In the South Atlantic Ocean
    C)In the Mediterranean Sea
    D)At Greenwich Observatory in England
    Answer: In the South Atlantic Ocean
  • 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. Which of the following is the International Date line?
    A)90° eastern longitude
    B)Equator
    C)0° longitude
    D)180° longitude
    Answer: 180° longitude
  • 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
  • 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
  • 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. After Sun, which is the closest star to the Earth?
    A)Proxima centauri
    B)Vega
    C)Sirius
    D)Alpha centauri
    Answer: Proxima centauri
  • 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. The Tropic of Cancer does not pass through
    A)Bangladesh
    B)India
    C)Pakistan
    D)Myanmar
    Answer: Pakistan
  • Q. When the Earth is at the maximum distance from the Sun, it is called
    A)Equinox
    B)Aphelion
    C)Perihelion
    D)Sidereal
    Answer: Aphelion
  • 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. The shortest day in Australia will be on ________
    A)01-09-2023
    B)21-06-2021
    C)01-12-2022
    D)01-03-2021
    Answer: 21-06-2021
  • Q. What is the correct sequence of the following in the context of the age of the earth since its origin? 1. Cenozoic 2. Mesozoic 3. Palaeozoic 4. Protozoic
    A)3, 4, 1, 2
    B)4, 3, 1, 2
    C)3, 4, 2, 1
    D)4, 3, 2, 1
    Answer: 4, 3, 2, 1
  • Q. How many time zones has the world been divided into?
    A)90
    B)15
    C)24
    D)180
    Answer: 24
  • 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. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal

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