Class 8    Geography    Example [GEO-8.6]

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Q 1. The layer below the crust is called the ----------.
 
  • Core
  • Sima
  • Sial
  • Mantle
 
Q2. State True or False: "The thickness of the crust is uniform."
  • TRUE
  • FALSE
  • Blank
  • Blank
 
Q3. Which of the following are the two parts of the core ?

     (a)  Outer core     (b)  Sima     (c)  Inner core     (d)  Sial
  • a, c
  • a, b
  • b, c
  • b, d
 
Q4. The centre of the earth is located at a distance of -------- km from its surface.
  • 5731
  • 6731
  • 6891
  • 6371
 
Q5. Mantle consists of the compounds of ---------- and ----------.
  • Iron, Magnesium
  • Copper, Zinc
  • Iron, Copper
  • Zinc, Magnesium
Q6. State True or False: "The core contains heavy and hard substances."
  • Blank
  • TRUE
  • FALSE
  • Blank
 
Q7. The rocks in the Sial layer have predominance of ---------- and ----------.
  • Iron, Magnesium
  • Silica, Magnesium
  • Silica, Aluminium
  • Silica, Zinc
 
Q8. Which layer lies below the mantle ?
  • Sima
  • Sial
  • Crust
  • The Core
 
Q9. When the magma reaches the surface through volcanic activity, it is called ----------.
  • rock
  • lava
  • sand
  • ash
 
Q10. Most of the oceanic base is formed out of which layer ?
  • Sial
  • Crust
  • Core
  • Sima
   
 
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