1. Industrial melanism is an example of

1. 1. Drug resistance

   
   
   

   2. Darkeing of skins due to smoke from industries

   
   
   

   3. Protective resemblance with the surroundings

   
   
   

   4. Defensive adoptation of skin against ultraviolet radiations

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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2. The early stage of human embryo distinctly possesses

1. 1. Gill

   
   
   

   2. Gill slits

   
   
   

   3. External ear

   
   
   

   4. Eyehrous

   
   
   

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   NA

   Correct Option: B

   NA

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3. Human evolution is originated in

1. 1. Africa

   
   
   

   2. Jawa

   
   
   

   3. France

   
   
   

   4. China

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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4. Which ancestor of man for the first time began the bipedal locomotion ?

1. 1. Cromagnon man

   
   
   

   2. Australopithecus

   
   
   

   3. Java-opeman

   
   
   

   4. Peking man

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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5. Convergent evolution is illustrated by

1. 1. Rat and dog

   
   
   

   2. Bacterium and protozoa

   
   
   

   3. Star fish and cuttle fish

   
   
   

   4. Dog fish and whales

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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