Q. Which one of the following minerals occurs abundantly in the Earth’s crust?

Correct Answer

Silica

More Questions on 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. When rain falls through a cold layer of air near the Earth’s surface, raindrops get frozen into ice. This type of precipitation is called
    A)Snowstorm
    B)Hail
    C)Snowfall
    D)Sleet
    Answer: Sleet
  • Q. Days and nights are similar here
    A)Antarctica
    B)Poles
    C)Main time zone
    D)Equator
    Answer: Equator
  • Q. The point in the orbit of a moon that is farthest from the Earth and at which the moon’s velocity is at a minimum, the known as ________
    A)Umbra
    B)Apehelion
    C)Apogee
    D)Perihelion
    Answer: Apogee
  • 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. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. Sea tides show variations because of ________
    A)Distorted spherical shape of the earth
    B)Variations in gravitational pull of the moon
    C)Variations in gravitational pull of the sun
    D)Different phases of the moon
    Answer: Different phases of the moon
  • Q. ________ is the time taken by the Earth to return to a given point in its orbit with reference to a fixed star.
    A)Solar year
    B)Lunar year
    C)Sidereal year
    D)Tropical year
    Answer: Sidereal year
  • 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. 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
  • Q. The location of a place A is at 60° E longitude and 30° S latitude while the location of B is at 60° E longitude and 45° N latitude. Time at B will be ________
    A)Half an hour ahead or behind that of A
    B)Half an hour behind A
    C)Half an hour ahead of A
    D)The same as that of A
    Answer: The same as that of A
  • Q. Albedo is defined as ________
    A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
    B)UV radiations sent out by the SUN
    C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
    D)The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
    Answer: The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
  • Q. Maximum difference in the spacing of longitudes is ________
    A)At tropics
    B)At poles
    C)At equator
    D)At arctic circle
    Answer: At equator
  • Q. The Earth is an oblate spheroid and not a perfect sphere. This is because 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. The total surface area of earth is ________
    A)710 million sq km
    B)510 million sq km
    C)610 million sq km
    D)810 million sq km
    Answer: 510 million sq km
  • Q. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate
    A)The radius of the Earth
    B)The distance between the Sun and the Earth
    C)The depth of the ocean
    D)The radius of the Sun
    Answer: The radius of the Earth
  • Q. Heat received by earth from the Sun is known as ________
    A)Solar radiation
    B)Insolation
    C)Solar heat
    D)Thermal radiation
    Answer: Solar radiation
  • Q. Which among the following statments is true regarding International Date Line?
    A)It is a big circle
    B)It is 180° Longitude
    C)It is a straight line
    D)It is a curved line beyond Earth
    Answer: It is 180° Longitude
  • 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. Dolomite is a/an
    A)Igneous rock
    B)Sedimentary rock
    C)Plutonic rock
    D)Metamorphic rock
    Answer: Sedimentary rock

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