1. The mouth of a volcano is known as

1. 1. Glacier

   
   
   

   2. Cone

   
   
   

   3. Crater

   
   
   

   4. Pipe

   
   
   

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1. View Hint View Answer Discuss in Forum

   Crater

   Correct Option: C

   Crater

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2. Which one of the following geological periods was frequented by increased volcanic activities ?

1. 1. Cretaceous period

   
   
   

   2. Ordovician period

   
   
   

   3. Jurassic period

   
   
   

   4. Miocene period

   
   
   

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1. View Hint View Answer Discuss in Forum

   Cretaceous period

   Correct Option: A

   Cretaceous period

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3. Volcanic eruptions do not occurs in the

1. 1. Baltic sea

   
   
   

   2. Black sea

   
   
   

   3. Caribbean sea

   
   
   

   4. Caspian sea

   
   
   

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1. View Hint View Answer Discuss in Forum

   Baltic sea

   Correct Option: A

   Baltic sea

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