1. Pelagic deposits are in the form of liquid mud known as ooze. They occur

1. 1. on the deep ocean floor

   
   
   

   2. on the floor of enclosed sea

   
   
   

   3. off large river months

   
   
   

   4. none of the above

   
   
   

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   NA

   Correct Option: A

   NA

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2. Benthos is the name given to those organism which live

1. 1. at the bottom of the Ocean

   
   
   

   2. in enclosed sea

   
   
   

   3. in the upper layers of Ocean

   
   
   

   4. along the shore

   
   
   

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   NA

   Correct Option: A

   NA

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3. Abundant organic life is present in

1. 1. shallow seas adjoining the shore

   
   
   

   2. on the deep Ocean floor

   
   
   

   3. zone of upwelling of cold water

   
   
   

   4. tropical parts of Ocean

   
   
   

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   NA

   Correct Option: C

   NA

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4. Pelagic deposits are mainly found below the depth of

1. 1. 1000 fathoms

   
   
   

   2. 100 fathoms

   
   
   

   3. 600 fathoms

   
   
   

   4. 200 fathoms

   
   
   

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   NA

   Correct Option: C

   NA

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5. Which of the following kinds of organisms are the diatoms ?

1. 1. Unicellular algae

   
   
   

   2. Protozoans

   
   
   

   3. Free floating bryophytes

   
   
   

   4. Detritivores

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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