6. Groine is

1. 1. It is simply a wall built at right angles to the shorelines made of huge rocks

   
   
   

   2. It is wall built at right angles to the shorelines made of small rocks

   
   
   

   3. It is wall built at right angles to the shorelines made of igneous rocks

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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7. Abyssal plains are

1. 1. Small and unproductive plains caused by the turbidity currents

   
   
   

   2. Vast and flat plains caused by the turbidity currents

   
   
   

   3. Vast but unusually rough terrained plains caused by the turbidity currents

   
   
   

   4. All of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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8. Delta shore line is

1. 1. Built of material brought out of stream system

   
   
   

   2. Built material brought out of glacial system

   
   
   

   3. Built of a material brought out of river system

   
   
   

   4. Built of a material out of ocean system

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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9. What is a coastal plains ?

1. 1. It is created by a continental shelf exposed by submergence

   
   
   

   2. It is created by continental shelf exposed by emergence

   
   
   

   3. It is created by a continental shelf exposed by tidal waves

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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10. Seamounts may be

1. 1. Mountain abruptly rising from the ocean floor

   
   
   

   2. Mountains resulting out of diastrophic activity from the ocean floor

   
   
   

   3. Mountains resulting from the changes inside the ocean floor

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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