66. A common feature of all vertebrates is

1. 1. Skull

   
   
   

   2. Division of body into head, neck, trunk and tail

   
   
   

   3. Two pair of functional appendages

   
   
   

   4. Exoskeleton

   
   
   

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   N/A

   Correct Option: A

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67. Dinosaurs were

1. 1. Mammal which became extinct

   
   
   

   2. Large harbivorus animal

   
   
   

   3. Oviparous mammal

   
   
   

   4. Reptile which became extinct

   
   
   

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   N/A

   Correct Option: D

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68. Aristotle lantern is

1. 1. A fresh water echinodermata

   
   
   

   2. A toothed chewing apparatus found in sea-ruchin

   
   
   

   3. Circulatory system found in star fish

   
   
   

   4. A lantern like structure found in brittle star

   
   
   

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   N/A

   Correct Option: B

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69. among the following, an unmatched group is

1. 1. Sea pen, sea fan, coral and swimming bell

   
   
   

   2. Cattle fish, starfish, devil fish and squid

   
   
   

   3. Sea star, sea urchin, sea anemone and sea cow

   
   
   

   4. Globe fish, rat fish, gold fish and pipe fish

   
   
   

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   N/A

   Correct Option: C

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70. Penguin is found only in

1. 1. Asia

   
   
   

   2. Africa

   
   
   

   3. Antarctica

   
   
   

   4. America

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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