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 Moon is showing its same face to the Earth because
    A)Its periods of rotation and revolution are the same
    B)It is not rotating about its own axis
    C)Its rotation and revolution are opposite
    D)Its rotation is faster than its revolution
    Answer: Its periods of rotation and revolution are the same
  • 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. What is the circumference of the Earth?
    A)25,000 km
    B)13,000 km
    C)20,000 km
    D)40,000 km
    Answer: 40,000 km
  • Q. When it is noon along 82° 30′ longitude, along what degree of longitude it will be 6.30 a.m.?
    A)0° E or W
    B)Along 165° E
    C)Along 67° 30' W
    D)Along 82° 31' W
    Answer: 0° E or W
  • Q. We always see the same surface of the Moon because
    A)It takes the same time to rotate on its axis and moving around the Earth
    B)It is smaller than the Earth
    C)It rotates on its axis
    D)It moves with the same speed at which Earth moves around the Sun
    Answer: It takes the same time to rotate on its axis and moving around the Earth
  • Q. Which of the following is the best definition of ‘Tides’ ?
    A)A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
    B)A powerful movement of the ocean which proceed constantly in a definite direction
    C)A great circulatory movement of sea water caused by difference in density of sea water
    D)A wind and pressure system having a low pressure in centre and circular wind motion
    Answer: A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
  • Q. On the 21st June, the day light is seen at the North Pole for ________
    A)18 hrs.
    B)Zero hrs.
    C)12 hrs.
    D)24 hrs.
    Answer: 24 hrs.
  • Q. Which one of the following elements is most abundant in the earth’s crust?
    A)Silicon
    B)Oxygen
    C)Sulphur
    D)Carbon
    Answer: Oxygen
  • Q. The light of Sun takes how much time to reach to Earth
    A)8 seconds
    B)8 hours 20 seconds
    C)8 minutes 20 seconds
    D)20 seconds
    Answer: 8 minutes 20 seconds
  • Q. Solar eclipse occurs when ________
    A)Moon comes between sun and earth
    B)Earth comes between sun and moon
    C)Moon is at right angle to the earth
    D)Sun comes between moon and earth
    Answer: Moon comes between sun and earth
  • Q. One degree of longitude on the equator is equal to a distance of ________
    A)60 miles
    B)34.5 miles
    C)50 miles
    D)69 miles
    Answer: 69 miles
  • 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
  • Q. Sandstone is metamorphosed to
    A)Quartzite
    B)Shale
    C)Slate
    D)Marble
    Answer: Quartzite
  • 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. The place which has the longest day and the shortest night on 22nd December, is ________
    A)Melbourne
    B)Chennai
    C)Madrid
    D)Moscow
    Answer: Melbourne
  • Q. The sunlight is available 24 hours on the longest day at which of the following latitudes of the Earth?
    A)63°
    B)49°
    C)66.5°
    D)69.51°
    Answer: 66.5°
  • Q. Latitude of place is indicative of its ________
    A)Amount of rainfall
    B)Time
    C)Altitude
    D)Temperature
    Answer: Temperature
  • 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. Tides in the sea have stored in them ________
    A)Gravitational potential energy
    B)Hydraulic energy
    C)Kinetic energy
    D)A combination of all the above three forms of energy
    Answer: A combination of all the above three forms of energy
  • 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

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