41. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species ?

1. 1. Isolation

   
   
   

   2. Mutation

   
   
   

   3. Natural selection

   
   
   

   4. Sexual reproductions

   
   
   

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   NA

   Correct Option: A

   NA

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42. Homo sapien directly evolved from

1. 1. Perking man

   
   
   

   2. Java man

   
   
   

   3. Neanderthal

   
   
   

   4. Austrolopithecus

   
   
   

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   NA

   Correct Option: A

   NA

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43. Which of the following is most primitive ancestor of man ?

1. 1. Homo habilis

   
   
   

   2. Ramapothecus

   
   
   

   3. Australopithecus

   
   
   

   4. Homo neanderthalenis

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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