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प्रश्न
Say true or false.
Brush your teeth once a day.
विकल्प
True
False
उत्तर
Brush your teeth once a day- False.
APPEARS IN
संबंधित प्रश्न
Name the different types of teeth. What is the function of each type?
Every day we should brush our teeth _______ times.
List out the food items for healthy mouth and teeth.
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 |
Teeth are rooted in separate ______ in between the ______.
Label the below given Figure 2.1 as directed below in (i) to (iv) and give the name of each type of tooth.
- The cutting and biting teeth as ‘A’
- The piercing and tearing teeth as ‘B’
- The grinding and chewing teeth as ‘C’
- The grinding teeth are present only in adults as ‘D’
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.
