Class 4 EVS Chapter 2 Teeth and Tongue Question Answer

Class 4 EVS Chapter 2 Teeth and Tongue question answers with MCQs, fill in the blanks, true/false, short answers, odd one out, and complete worksheet solutions.

A. Tick (✓) the Right Answer

1. Four more teeth that grow between the ages of 20 and 30 are _____.

• (a) incisors
• (b) canines
• ✅ (c) wisdom teeth

2. The teeth that help us in biting food are known as _____.

• ✅ (a) incisors
• (b) premolars
• (c) canines

3. The _____ helps us to identify four basic tastes.

• ✅ (a) tongue
• (b) teeth
• (c) stomach

4. The outer white covering of the tooth is called _____.

• (a) dentine
• ✅ (b) enamel
• (c) crown

5. Plaque is a layer of germs on _____.

• ✅ (a) teeth
• (b) gums
• (c) tongue

 

B. Answer the Following Questions

1. How many sets of teeth do humans get during their lifetime? Name them.

Answer:
Humans get two sets of teeth during their lifetime:

1.      Temporary (Milk) Teeth

2.      Permanent Teeth

 

2. How is the tongue useful?

Answer:
The tongue helps us taste food, speak clearly, and move food inside the mouth.

 

3. Write some ways to take care of your teeth.

Answer:

• Brush your teeth twice a day.
• Floss your teeth daily.
• Eat calcium-rich foods like milk and green vegetables.
• Avoid eating too many sweets and chocolates.
• Visit the dentist every six months.

 

4. What is tooth decay?

Answer:
Tooth decay is the damage caused to the teeth when plaque reacts with sugar and produces acid. The acid destroys the enamel and forms holes called cavities.

 

D. Fill in the Blanks

1. The centre part of each tooth is called pulp.

2. An adult has 32 teeth.

3. When not cleaned properly, teeth get covered with a yellow substance called tartar.

4. There are four kinds of taste buds present on the tongue.

 

E. Write 'T' for True and 'F' for False

1. We have 37 permanent teeth. → ❌ F

2. The tongue needs to be cleaned regularly. → ✅ T

3. All the teeth in our mouth are of same shape and size. → ❌ F

4. Calcium makes our teeth and gums strong. → ✅ T

5. The tongue has four kinds of taste buds. → ✅ T

 

F. Circle (⭕) the Odd One in Each Group

1. Incisors – Yeast – Canines – Molars

• ✅ Yeast

2. Enamel – Dentine – Pulp – Tongue

• ✅ Tongue

3. Ice cream – Carrot – Radish – Apple

• ✅ Ice cream