English
Science
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questions & answers.
Q1.
Fill in the blanks.
- There are two sets of teeth-temporary and ____________________.
- Eating too many sweets causes tooth ____________________.
- Disease-causing microbes are called ____________________.
- ____________________ and typhoid are caused by bacteria.
- ____________________ are used to make bread soft.
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- permanent
- decay
- germs
- Tuberculosis
- Yeast
Q2.
Name the following.
- Four kinds of teeth.
- Three layers of a tooth.
- Four conditions that help microbes to grow.
- Four kinds of microbes.
- Four diseases caused by microbes.
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- incisors, canines, premolars, and molars.
- Enamel, dentin, and pulp
- Warmth, moisture, food, and air
- Protozoa, Algae, Fungi, and Bacteria
- Typhoid, dengue, malaria, and dynestry
Q3.
Circle the correct word/words.
- The number of incisors in each jaw is eight / two / three / four.
- Incisors help in grinding food / biting food / tearing food / swallowing food.
- The number of grinding teeth in each jaw is five / six / eight / four.
- Tooth decay causes thirst / bad breath / hunger / itching.
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Answer:
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- four
- biting
- six
- bad breath
Q4.
How are teeth important to us?
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Teeth give the face proper structure. They help us speak clearly. They also enable us to bite and chew the food properly which make the digestion easy.
Q5.
Name the different kinds of teeth and write their functions.
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