51. Which one of the following states of India is surrounded by Bangladesh on three sides ?

1. 1. Mizoram

   
   
   

   2. Meghalaya

   
   
   

   3. Tripura

   
   
   

   4. West Bengal

   
   
   

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   NA

   Correct Option: C

   NA

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52. North Bihar is famous for

1. 1. Agriculural prosperity

   
   
   

   2. Heavy industires

   
   
   

   3. Flood

   
   
   

   4. Famine

   
   
   

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   NA

   Correct Option: C

   NA

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53. Arrange the following Indian states in a chronological order, according to their formation, and select the correct answer the using the codes given at the end
    1. Chhattisgarh
    2. Arunachal Pradesh
    3. Jharkhand
    4. Sikkim
    
    

1. 1. 4, 1, 3, 2

   
   
   

   2. 4, 2, 1, 3

   
   
   

   3. 3, 2, 1, 4

   
   
   

   4. 1, 4, 2, 3

   
   
   

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   NA

   Correct Option: B

   NA

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54. Who of the following was the first scientific geographer who ascertained the length of equator on sound principles ?

1. 1. Herodotus

   
   
   

   2. Hecataeus

   
   
   

   3. Anaximander

   
   
   

   4. Eratosthenes

   
   
   

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   NA

   Correct Option: D

   NA

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55. For preparing the world map, Eratosthenes used prime meridians through which one of the following ?

1. 1. Canary Island

   
   
   

   2. Alexandria

   
   
   

   3. Rome

   
   
   

   4. Syene (Aswan)

   
   
   

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   NA

   Correct Option: B

   NA

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