6. Consider the following
   1. Andes mountains
   2. New zealand
   3. Philippines
   4. Taiwan
   Which of the above is / are parts (s of the Pacific Ring of Fire)

1. 1. 1 only

   
   
   

   2. 1 and 2 only

   
   
   

   3. 2, 3 and 4 only

   
   
   

   4. 1, 2, 3 and 4

   
   
   

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   NA

   Correct Option: D

   NA

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7. Rocks break up when they are exposed on the earth's surface, mainly because

1. 1. Temperature changes effect them

   
   
   

   2. Force of gravity acts on them

   
   
   

   3. They and themselves in an environment different from that of their origin

   
   
   

   4. Rocks gets decomposed when exposed to the atmosphere

   
   
   

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   NA

   Correct Option: C

   NA

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8. Which of the following is true about sedimentary rock ?

1. 1. They are rocks whose structure is contigent on heat and pressure

   
   
   

   2. The rocks are crystalline

   
   
   

   3. The rocks have been deposited in layers

   
   
   

   4. The rocks cannot be formed under water

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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9. Why do Fold Mountains have enormous thickness of sedimentary rocks ?

1. 1. Due to deposition of sediments in a valley for millions of years

   
   
   

   2. Due to accumulation of sediments in a geosyncline

   
   
   

   3. The plains were folded into mountains

   
   
   

   4. The sediments were folded into recumbent and nappe

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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10. Consider the following statements
    1. Intrusive igneous rocks tend to have large mineral crystals than extrusive igneous rocks.
    2. Vast majority of sedimentary rock.
    3. Shale is the finest grained elastic sedimentary rock.
    Which of the statements given elastic sedimentary rock.
    Which of the statements given above is / are correct ?

1. 1. 1 only

   
   
   

   2. 2 and 3 only

   
   
   

   3. 1 and 3 only

   
   
   

   4. 1, 2 and 3

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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