21. Teeth is mainly made up of

1. 1. Enamel

   
   
   

   2. Dentine

   
   
   

   3. Odontoblast

   
   
   

   4. Marrow

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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22. Crown of teeth is made up of

1. 1. Cartllage

   
   
   

   2. Dentine

   
   
   

   3. Enamel

   
   
   

   4. Chitin

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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23. Obsity of person is due to excess of

1. 1. Glucose

   
   
   

   2. Fat

   
   
   

   3. Sucrose

   
   
   

   4. Sugar

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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24. Histamines are secreted by

1. 1. Mast cells

   
   
   

   2. Fibroblasts

   
   
   

   3. Histiocyted

   
   
   

   4. Melanocytes

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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25. Lung is covered by a membrane called

1. 1. Pericardium

   
   
   

   2. Pleura

   
   
   

   3. Peritonium

   
   
   

   4. Serosa

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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