Kerala PSC Geography Question and Answers - 29

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1. Nearly what percent of Earth's volume is constituted by the crust

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2. Which are the major constituent elements of the crust  

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3. The discontinuity between the hydrosphere and the crust is known as  

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4. The portion of the interior beyond the crust is called

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5. What is the name of the discontinuity between the crust and the mantle

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6. What is the average thickness of the mantle

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7. Nearly 84 percent of the earth's volume and 67 percent of the Earth's mass is occupied by

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8. Which elements are the major constituents of the mantle  

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9. The uppermost solid part of the mantle and the entire crust constitute

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10. What is the name of the mechanically weak and ductile, deforming region of the upper mantle which lies just below the lithosphere

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11. What is the name of the discontinuity between the upper mantle and the lower mantle

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12. Which is the innermost layer surrounding the Earth's centre

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13. The core is seperated from the mantle by

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14. What is the main constituents of the Earth's crust

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15. The core constitutes nearly --- percent of Earth's volume

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16. What is the name of the discontinuity between the upper core and lower core

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17. ---- is sometimes used to refer the core of the Earth or sometimes the whole interior

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18. Which type of rock is known as 'the Mother of all rocks'

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19. Which type of rocks are generally the hardest and heaviest of all rocks

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20. Which type of rocks are formed from the coolling of magma and often ahas large crystals

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