61. The highest grade and quality coal is

1. 1. Lignite

   
   
   

   2. Peat

   
   
   

   3. Bituminous

   
   
   

   4. Anthracite

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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62. Consider the following statements
    1. India does not have any deposits of Thorium.
    2. Kerala's monazit sands contain Uranium.
    Which of the statements given above is / are correct ?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 nor 2

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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63. Which of the following is / are a renewable source of energy ?
    1. Wind
    2. Solar
    3. Thermal

1. 1. Only 1

   
   
   

   2. only 2

   
   
   

   3. Only 1 and 2

   
   
   

   4. only 2 and 3

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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64. In the development of hydroelectricity the pioneering state was

1. 1. Karnataka

   
   
   

   2. Tamil Nadu

   
   
   

   3. Himachal Pradesh

   
   
   

   4. Uttar Pradesh

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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65. Koyna hydro-electric scheme is in

1. 1. Maharashtra

   
   
   

   2. Gujarat

   
   
   

   3. Vidarbha

   
   
   

   4. Rajasthan

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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