Teeth And Microbes Class 4 Questions And Answers

Last updated on September 22nd, 2022 at 10:12 pm

Teeth and Microbes class 4 worksheet: What are the 4 types of teeth and their functions, teeth worksheets for grade 4.

Worksheet On Teeth And Microbes For Class 4

Fill in the blanks.

1. Human beings have ……………sets of teeth. [Two /four]
2. Temporary teeth are also called ……………….teeth. [Milk /permanent]
3. A permanent set of teeth has …………….teeth. [20 /32]
4. …………….. holds the teeth in our mouth. [gums / pulp]
5. White part on outside of the tooth is called ……………….. [enamel/dentine]
6. Sticky yellow layer on teeth is called ……………………. [plaque/pulp]
7. Microbes can be seen with the help of ……………………
8. Harmful microbes are called ……………………
9. The process of Digestion starts from …………….
10. Milk teeth are ………………. in number.
11. Food pipe is also called ………………….

Answers [Fill in the blanks]

1. Two
2. Milk
3. 32
4. Gums
5. Enamel
6. Plaque
7. Microscope
8. Germs
9. Mouth
10. Twenty
11. Esophagus

Teeth and Microbes Quiz for Grade 4

Answer the following questions

Question – Which organ helps food to enter into the stomach?

Answer: Food enters into the stomach through the food pipe also called esophagus.

Question – How many milk teeth are there in our life?

Answer: There are 20 milk teeth a child has in their life.

Question – What are milk teeth?

Answer: Milk teeth are temporary teeth. it appears first when the child is two and a half year old.

Question – What are permanent teeth?

Answer –Permanent teeth appear between the ages of 7 to 12 and they are 32 in number.

Question – What is plaque?

Answer: The yellow sticky layer on the tooth is called plaque.

Question – What are microbes?

Answer: Microbes are small living organisms that cannot be seen with a naked eye.