Q. How old is Earth, It is decided by which of the following processes?

Correct Answer

Radiometric Dating

More Questions on Earth

  • 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 Contour line is those imaginary line which show?
    A)Areas of similar height
    B)Areas of similar atmospheric pressure
    C)Areas of similar temperature
    D)Equal Sunning areas
    Answer: Areas of similar height
  • Q. The core of the Earth is made up of ________
    A)Both iron and silica in the liquid form
    B)Mainly of iron in the liquid form
    C)Mainly of nickel in the liquid form
    D)Both iron and magnesium in the plastic state
    Answer: Both iron and magnesium in the plastic state
  • 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. The permanent tilt of the earth’s axis and the revolution of the earth in its orbit together cause: I. deflection of winds and ocean currents II. differences in time between places on different meridians III. varying length of day and night at different times of the year IV. changes in the altitude of the mid-day sun at different times of the year
    A)III and IV
    B)II, III and IV
    C)I and IV
    D)I, II and III
    Answer: III and IV
  • Q. It is six months long day in the northern polar region and six months long night in the southern polar region because ________
    A)Earth is rotating
    B)Earth is revolving around the sun
    C)Earth is inclined towards its orbital plane
    D)None of these
    Answer: Earth is inclined towards its orbital plane
  • Q. Which of the following celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • Q. The instrument to measure the area on maps is called
    A)Pantograph
    B)Planimeter
    C)Ideograph
    D)Opisometer
    Answer: Planimeter
  • Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
    A)Mantle
    B)Central core
    C)Crust
    D)Both B and C
    Answer: Central core
  • Q. The mapping of which of the following is most difficult ?
    A)Interior of the Earth
    B)Mountains
    C)Plateaus and Plains
    D)Oceans and their depth
    Answer: Interior of the 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. 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. 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. 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. What is known as High Pressure Subtropical Latitude?
    A)Screaming sixties
    B)Roaring forties
    C)Furious fifties
    D)Horse latitudes
    Answer: Horse latitudes
  • Q. If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would likely to be ________
    A)Annular
    B)Total
    C)Partial
    D)None of these
    Answer: Annular
  • Q. What is the position of the Earth when it is at the greatest distance from the Sun?
    A)Perihelion
    B)Aphelion
    C)Antipode
    D)Aldiatc
    Answer: Aphelion
  • Q. Which among the following imaginary line lies at 0° latitude?
    A)Tropic of Capricorn
    B)Equator
    C)Tropic of Cancer
    D)Prime Meridian
    Answer: Equator
  • Q. The network of the series of vertical and horizontal lines is known as
    A)Longitude
    B)Latitude
    C)Geid System
    D)Geographical Coordinates System
    Answer: Geographical Coordinates System
  • Q. At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near ________
    A)The Tropic of Capricorn
    B)The Arctic Circle
    C)The Tropic of Cancer
    D)The South Pole
    Answer: The Tropic of Capricorn

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