Buccal Cavity

Q. What is digestion? Why do only animals require a digestive system?​

Q.

Taste cells on our tongue that receive stimulation of taste are known as

1. Vitreous chamber
2. Stapes
3. Taste buds
4. Tube

Q.

Which of the following pair of teeth differ in structure but are similar in function?

1. canines and incisors

2. molars and premolars.

3. incisors and molars.

4. premolars and canines.

Q. Name the types of teeth present in an adult human being. Mention the functions of each.

[Review question: Pg. No: 245]

Q.

Which type of teeth are used by carnivores for tearing flesh?

1. Premolars

2. Canines

3. Incisors

4. Molars

Q. Assertion (A): The body breaks down complex substances in food into smaller components in the digestive system.

Reason (R): Breaking down of food into simpler substances helps in easy and efficient absorption of nutrients.

1. Both (A) and (R) are true and (R) explains (A)
2. Both (A) and (R) are false
3. Both (A) and (R) are true but (R) doesn't explain (A)
4. (A) is true and (R) is false

Q. Arrange the sequence of events that takes place after we ingest food.

1. Digestion$\to$Absorption$\to$Assimilation$\to$Egestion
2. Digestion$\to$Absorption$\to$Egestion​​​​​​​$\to$Assimilation
3. Digestion$\to$Assimilation$\to$Absorption​​​​​​​$\to$​​​​​​​Egestion
4. Egestion​​​​​​​$\to$Absorption$\to$Assimilation$\to$Digestion

Q.

Which type of teeth are used when a person is biting off an apple?

1. Molars

2. Premolars

3. Canines

4. Incisors

Q.

Name the following types of teeth with their function.

1. A- Incisors- cutting and biting
   B- Canine- Chewing and grinding
   C- Premolar- Chewing and grinding
   D- Molar- Piercing and tearing
2. A- Incisors- Chewing and grinding
   B- Canine- Chewing and grinding
   C- Premolar- Piercing and tearing
   D- Molar- Cutting and biting
3. A- Incisors- Cutting and biting
   B- Canine- Piercing and tearing
   C- Premolar- Chewing and grinding
   D- Molar- Chewing and grinding
4. A- Incisors- Chewing and grinding
   B- Canine- Piercing and tearing
   C- Premolar- Cutting and biting
   D- Molar- Chewing and grinding

Q. The sharp and dagger-shaped teeth in the buccal cavity are known as ____.

1. molars
2. incisors
3. premolars
4. canines

Q.

The taste buds are present on ___ .

Q.

Name the following types of teeth with their function.

1. A- Incisors- Chewing and grinding
   B- Canine- Chewing and grinding
   C- Premolar- Piercing and tearing
   D- Molar- Cutting and biting
2. A- Incisors- Chewing and grinding
   B- Canine- Piercing and tearing
   C- Premolar- Cutting and biting
   D- Molar- Chewing and grinding
3. A- Incisors- cutting and biting
   B- Canine- Chewing and grinding
   C- Premolar- Chewing and grinding
   D- Molar- Piercing and tearing
4. A- Incisors- Cutting and biting
   B- Canine- Piercing and tearing
   C- Premolar- Chewing and grinding
   D- Molar- Chewing and grinding

Q. Assertion (A): The body breaks down complex substances in food into smaller components in the digestive system.

Reason (R): Breaking down of food into simpler substances helps in easy and efficient absorption of nutrients.

1. Both (A) and (R) are false
2. Both (A) and (R) are true but (R) doesn't explain (A)
3. (A) is true and (R) is false
4. Both (A) and (R) are true and (R) explains (A)

Q.

Which type of teeth are used by carnivores for tearing flesh?

1. Premolars

2. Incisors

3. Molars

4. Canines

Q. Describe organs of taste and olfactory organs.