Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?

Correct Answer

Central core

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. What are the imaginary lines touching both the poles of Earth called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Longitudes
  • Q. What is the name of the maps, natural and manmade, portray the large forms?
    A)Graffito
    B)Thematic Maps
    C)Atlas Maps
    D)Topographic Maps
    Answer: Thematic Maps
  • Q. The science of drawing map is called
    A)Topology
    B)Cartography
    C)Geography
    D)Geology
    Answer: Cartography
  • Q. Latitude of a point on the earth is measured by the distance in ________
    A)Angles from the poles
    B)Kilometers from the poles
    C)Kilometers from the equator
    D)Angles from the equator
    Answer: Angles from the 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. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below
    A)2, 1, 2003
    B)1, 2, 2003
    C)1, 3, 2002
    D)3, 1, 2002
    Answer: 2, 1, 2003
  • Q. The earth’s annual circuit round the sun covers a distance of ________
    A)966 million kms
    B)1,096 million kms
    C)1,036 million kms
    D)896 million kms
    Answer: 966 million kms
  • 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. Which of the following statements is correct ? 1. All meridians are of the same length 2. All latitudes are of the same length 3. The Prime Meridian is the longest meridian 4. The Equator is the longest latitude
    A)3 and 4
    B)1 and 2
    C)2 and 3
    D)1 and 4
    Answer: 1 and 4
  • 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 radio broadcast from Delhi on Monday at 7.30 p.m. is heard at New York on ________
    A)The same day at 7:30 AM
    B)Tuesday at 8.35 PM
    C)The same day at 7.30 PM
    D)The same day at 10:00AM
    Answer: The same day at 10:00AM
  • Q. The area of the Earth’s total surface is of the order of ________.
    A)400 million square kilometres
    B)510 million square kilometres
    C)450 million square kilometres
    D)350 million square kilometres
    Answer: 510 million square kilometres
  • Q. Which of the following pairs is wrong?
    A)IsohaleSun - light
    B)Isohyet - Humidity
    C)Isobar - Pressure
    D)Isotherm - Temperature
    Answer: Isohyet - Humidity
  • 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. 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. “Mohs’ Scale” is used to indicate the ________
    A)Degree of viscosity of a liquid
    B)Degree of brittleness of a substance
    C)Degree of hardness of minerals.
    D)Degree of elasticity of a material
    Answer: Degree of hardness of minerals.
  • Q. Choose the incorrect statement
    A)The Sun's rays are vertical at all places on the days of the equinoxes
    B)All meridians are of the same length
    C)The axis of the earth is inclined at an angle of to the horizontal
    D)The summer solstice for the Southern Hemisphere is in December
    Answer: The Sun's rays are vertical at all places on the days of the equinoxes
  • Q. If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
    A)40°
    B)30°
    C)35°
    D)45°
    Answer: 35°
  • Q. Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
    A)Tides
    B)Currents
    C)Runoff
    D)Waves
    Answer: Tides

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