81. Which of the following Mammal is oviparus

1. 1. Rat

   
   
   

   2. Kangaroo

   
   
   

   3. Platypus

   
   
   

   4. Tree snake

   
   
   

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   N/A

   Correct Option: C

   N/A

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82. Connecting link between Annelida and Arthropoda is

1. 1. peripatus

   
   
   

   2. Hydra

   
   
   

   3. Earthworm

   
   
   

   4. Sylon

   
   
   

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   N/A

   Correct Option: A

   N/A

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83. Sea snake is called

1. 1. Cuttle fish

   
   
   

   2. Devi fish

   
   
   

   3. Hydro fish

   
   
   

   4. Silver fish

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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84. Cartilagenous fish differ from bony fish in having

1. 1. Uncovered gills

   
   
   

   2. Heterocercal tail

   
   
   

   3. Ventral mouth and nares

   
   
   

   4. All of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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85. Animal goes under winter sleep due to low temperature is called

1. 1. Mutation

   
   
   

   2. Regeneration

   
   
   

   3. Hiberanation

   
   
   

   4. Aestivation

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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