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प्रश्न
Every day we should brush our teeth _______ times.
पर्याय
one
two
three
four
उत्तर
Every day we should brush our teeth two times.
APPEARS IN
संबंधित प्रश्न
Name the different types of teeth. What is the function of each type?
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.
Incisors and Canines
Name the types of teeth present in an adult human being. Mention the functions of each.
Number of teeth present in each jaw is ______.
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.
How do you take care of your mouth and teeth?
Open your mouth, look into a mirror and try to count the different types of teeth in your mouth. Compare them with Figure 2.3 on page 13 of your NCERT textbook. Record your observations in the table below:
| Type of teeth | Number of teeth | |
| In my mouth | In the figure | |
| Incisors | ||
| Canines | ||
| Premolars | ||
| Molars | ||
- Did you observe any difference in the number of teeth? If yes, could you identify which type of teeth showed the difference?
- Compare the number and type of teeth in an adult (say your parents or cousins who have reached the age of 25-30 or more). Note your observation.
Write a note on the teeth of humans.
