16. Match List - I (Ridges) with List - II (Oceans) and select the code given below the lists
    

    	List - I		List - II
    F.	Mendelevav	1.	North Atlantic Ocean
    G.	Kerguelen	2.	South Atlantic Ocean
    H.	San Felix-Juan	3.	Arctic Ocean
    J.	Walvis	4.	Indian Ocean
    		5.	South Pacific Ocean

    Code :

    	F	G	H	J
    A.	5	4	1	2
    B.	3	2	5	4
    C.	5	2	1	4
    D.	3	4	5	2

1. 1. A.

   
   
   

   2. B.

   
   
   

   3. C.

   
   
   

   4. D.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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17. Assertion (A) : In the deep ocean, primary production occurs near hydrothermal vents.
    Reason (R) : Over there, microbes produce food through chemosynthesis which forms the basis for a food-chain.
    Code

1. 1. Both (A) and (R) are individually true and (R) is the correct explanation of (A)

   
   
   

   2. Both (A) and (R) are individually true but (R) is not the correct explanation of (A)

   
   
   

   3. (A) is true but (R) is false

   
   
   

   4. (A) is false but (R) is true

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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18. Which is the smallest among the following water bodies ?

1. 1. Arctic Sea

   
   
   

   2. Hudson sea

   
   
   

   3. Japan sea

   
   
   

   4. OKhotsk sea

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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19. A nautical mile is equal to

1. 1. 5060 feet

   
   
   

   2. 5280 feet

   
   
   

   3. 6060 feet

   
   
   

   4. 6080 feet

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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20. The deepest oceanic trench Mariana is located in

1. 1. Atlantic Ocean

   
   
   

   2. Arctic Ocean

   
   
   

   3. Pacific Ocean

   
   
   

   4. Indian Ocean

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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