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प्रश्न
Say true or false.
Brush your teeth once a day.
पर्याय
True
False
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उत्तर
Brush your teeth once a day- False.
APPEARS IN
संबंधित प्रश्न
Every day we should brush our teeth _______ times.
Tick (✓) the foods that are good for your teeth and cross (x) the food that is bad for your teeth.
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Differentiate the following.
Diphyodont and Heterodont
Differentiate the following.
Incisors and Canines
Name the types of teeth present in an adult human being. Mention the functions of each.
Match the Column I with Column II and select the correct option.
| Column I | Column II |
| i. Heterodont | a. Teeth embedded in separate sockets in jaw bone |
| ii. Diphyodont | b. Four sets of teeth |
| iii. Thecodont | c. Two sets of teeth in lifetime |
Name the four types of the permanent teeth.
Teeth are rooted in separate ______ in between the ______.
Write a note on the teeth of humans.
Collect data from your friends, neighbours and classmates to know more about “milk teeth".
Tabulate your data. One way of doing it is given below:
| S.No. | Age at which first tooth fell | Age at which last tooth fel | No. of teeth lost | No. of teeth replaced |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. |
Find out from at least twenty children and find the average age at which children lose the milk teeth. You may take help of your friends.
