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 of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth’s volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
    A)I, II and IV
    B)I and II
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and IV
  • 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 one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
    A)Carbon
    B)Silicon
    C)Oxygen
    D)Calcium
    Answer: Oxygen
  • 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. A person sets off from Alaska on a Tuesday and reaches New Zealand the next day which will be ________
    A)Thursday
    B)Tuesday
    C)Wednesday
    D)Friday
    Answer: Thursday
  • Q. Of the total volume of the earth, which layer forms the major part ?
    A)Mantle
    B)Sial
    C)Sima
    D)Core
    Answer: Core
  • Q. Spring tides occur when ________
    A)The moon, the sun and the earth are at right angles with the earth at the apex
    B)The moon is nearest to the earth
    C)The moon is farthest from the earth
    D)The moon, the sun and the earth are in the same line
    Answer: The moon, the sun and the earth are in the same line
  • 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. Latitude and longitude both ________
    A)Run parallel to each other
    B)Pass through poles
    C)Run parallel to the equator
    D)Run perpendicular to each other
    Answer: Run perpendicular to each other
  • Q. The imaginary line which connects places of similar height on map, are?
    A)Spot-Height
    B)Hachure
    C)Contour
    D)Isometric
    Answer: Contour
  • Q. How many time zones has the world been divided into?
    A)90
    B)15
    C)24
    D)180
    Answer: 24
  • Q. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • 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. When does the Sun shine 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. The process of water getting evaporated from the surface of leaves is known as
    A)Transpiration
    B)Evaporation
    C)Evapo-transpiration
    D)Transportation
    Answer: Transpiration
  • 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 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. Light from the Sun reaches us in nearly
    A)6 min.
    B)8 min.
    C)2 min.
    D)4 min.
    Answer: 8 min.
  • Q. Equinox occurs when the Sun is vertically above
    A)Poles
    B)Tropic of Capricorn
    C)Tropic of Cancer
    D)Equator
    Answer: Equator
  • Q. What percentage of insolation is received by the earth’s surface?
    A)0.66
    B)0.47
    C)0.51
    D)0.87
    Answer: 0.47

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