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. Equator is
    A)The girdle around the Saturn
    B)Line which connects north and south poles
    C)Imaginary line which rotates around the Earth in the centre of north and south poles
    D)Axis of the rotation of the Earth
    Answer: Imaginary line which rotates around the Earth in the centre of north and south poles
  • 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. The imaginary lines which connects the places of same temperature are called
    A)Isohaline
    B)Isobar
    C)Isohyet
    D)Isotherm
    Answer: Isotherm
  • Q. Antipodes are ________
    A)Places located at a point where degree of latitude is equal to degree of longitude
    B)Lines joining places having a time difference of 12 hours
    C)Places diametrically opposite on earth's surface
    D)Lines joining places having the same depths
    Answer: Places diametrically opposite on earth's surface
  • Q. Days and nights are similar here
    A)Antarctica
    B)Poles
    C)Main time zone
    D)Equator
    Answer: Equator
  • Q. At the summer solstice, which one of the following latitudes will have the longest night?
    A)60°N
    B)45°N
    C)45°S
    D)60°S
    Answer: 60°S
  • Q. Consider a specific point on the surface of the earth (say Delhi). The temperature at a given time of day (say 12.00 Noon) will in general be higher in summer than in winter. This is because ________
    A)The earth is closer to the sun in summer than in winter
    B)The evaporation of water from atmosphere results in precipitation occurring in winter alone
    C)Sun-rays falling on the earth are inclined more towards the sun in winter
    D)The axis of the earth is inclined more towards the sun in winter
    Answer: Sun-rays falling on the earth are inclined more towards the sun in winter
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. The Gutenberg discontinuity is between ________
    A)The outer core and the lower mantle
    B)The crust and the mantle
    C)The upper and lower mantles
    D)The inner and outer cores
    Answer: The outer core and the lower mantle
  • 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. 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. Which of the statements given are correct? 1. Coriolis effect is zero at the Equator. 2. Coriolis effect is more towards the Poles. 3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes. 4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
    A)1, 2 and 4
    B)1, 2 and 3
    C)1 and 3 only
    D)2 and 5 only
    Answer: 1, 2 and 4
  • 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. If a place is located at 20°N, 80°E in which of the following continents does it lie?
    A)Europe
    B)Africa
    C)Asia
    D)North America
    Answer: Asia
  • Q. In which of the following areas, the “Midnight Sun” can be seen?
    A)Arctic and Antarctica circle
    B)In tropical areas
    C)In temperate areas
    D)Anywhere during solar eclipse
    Answer: Arctic and Antarctica circle
  • Q. Equator represents
    A)A belt (ring) around the planet Saturn
    B)Line joining North and South poles
    C)Imaginary line passing round the Earth midway between North & South poles
    D)Axis of rotation of Earth
    Answer: Imaginary line passing round the Earth midway between North & South poles
  • Q. If the earth’s axis had not been inclined: I. temperature distribution would have been uniform II. days and nights would not have occurred III. seasons would not have occurred IV. poles would not have a continuous day
    A)III and IV
    B)I, III and IV
    C)II and IV
    D)II, III and IV
    Answer: III and IV
  • 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. Day and night are formed
    A)Due to the speed of rotaion
    B)Due to the shape of the orbit of Earth
    C)Due to the motion of revolution
    D)None of these
    Answer: Due to the speed of rotaion
  • Q. The latitude of a place expresses its angular position relative to the plane of
    A)North pole
    B)Axis of the Earth
    C)Equator
    D)South pole
    Answer: Equator

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