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4.  Molars are                            teeth.


                    a. crushing            b. cutting              c. tearing            d. grinding

               5.  The                          is the visible part of the teeth.


                    a. dentine             b. crown                c. enamel             d. root


            II.  Fill in the blanks.


               1.                          are fixed in the jaw.


               2.                          teeth are the second set of teeth.

               3.  Pulp lies inside the                           .


               4.                          help to crush the food.


               5.  Some                           can change milk into curd.


           III.  Circle the odd one out.


               1.  incisor                   tongue                    canine                   molar


               2.  bacteria                  virus                     fungi                    gums


               3.  sweet                     chocolate                 salty                    bitter


               4.  teeth                     enamel                    dentine                  cementum


               5.  tear                      crush                     taste                    bite


           IV.  Answer the following questions in two or three sentences.


               1.  Write about the taste buds.

               2.  How can we take care of the tongue?


               3.  Name the parts of the tooth.


               4.  What are microbes? Give two examples.


               5.  Name two diseases caused by bacteria and viruses.




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