66. Who explained the Big bang theory ?

1. 1. E. Hubble

   
   
   

   2. C. Ptolemy

   
   
   

   3. Copernicus

   
   
   

   4. A.G Lemaitre

   
   
   

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   NA

   Correct Option: D

   NA

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67. Titan is the largest natural satellite of planet

1. 1. Mercury

   
   
   

   2. Venus

   
   
   

   3. Saturn

   
   
   

   4. Neptune

   
   
   

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   NA

   Correct Option: C

   NA

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68. The shortest day in Ausralia will be on

1. 1. June 21

   
   
   

   2. December 22

   
   
   

   3. September 23

   
   
   

   4. March 21

   
   
   

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   NA

   Correct Option: A

   NA

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69. In the earliest days when life originated on earth, the atmospheric obtained

1. 1. Free oxygen

   
   
   

   2. No oxygen

   
   
   

   3. Oxygen in fixed form

   
   
   

   4. Oxygen bound to carbon

   
   
   

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   NA

   Correct Option: D

   NA

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70. What is the approximate equatorial circumference of the earth ?

1. 1. 30,000 km

   
   
   

   2. 35,000 km

   
   
   

   3. 40,000 km

   
   
   

   4. 45,000 km

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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