Mouth

Q. Starch digestion begins in ______.

1. in the oesophagus
2. in the small intestine
3. in the mouth
4. in the stomach

Q.

Glottis is an opening in the floor of

1. Mouth

2. Trachea

3. Pharynx

4. Diaphragm

Q.

Mention two reflexes which occur when a person chews and swallows food.

Q.

The structure which prevents entry of food in windpipe during swallowing in mammals is

1. Epiglottis

2. Larynx

3. Pharynx

4. Glottis

Q.

What are taste buds? Name the four different tastes that you respond to?

Q.

We salivate on seeing tasty food.

Q.

Taste buds are located on the upper surface of the _________.

1. Tongue

2. Lips

3. Teeth

4. Small intestine

Q.

Salivary glands are absent

1. Below the tongue

2. In lower jaw

3. In upper jaw

4. In cheeks

Q. To prevent the entry of food into the trachea, the opening is guarded by ___________

[Review question: Pg. No: 244]

Q.

In human beings, the three pairs of salivary glands produce about

1. $1.5d{m}^3$ of saliva per day

2. $1.0d{m}^3$ of saliva per day

3. $2.0d{m}^3$ of saliva per day

4. $2.5d{m}^3$ of saliva per day

Q.

Name the watery fluid secreted by the salivary gland.

Q. Where does the digestion of carbohydrates take place inside the body?

1. Mouth only
2. Stomach and small intestine
3. Mouth and small intestine only
4. Stomach only

Q. The process of digestion of food starts in the _______ .

1. mouth
2. stomach
3. small intestine
4. oesophagus

Q.

What are the reflexes which occur when a person chews and swallows food?

Q. Which papillae is present on lateral side of the tongue?

1. Filiform
2. Vallate
3. Fungiform
4. Foliate

Q. Where does the digestion of carbohydrates take place inside the body?

1. Mouth and stomach
2. Stomach and small intestine
3. Mouth and small intestine
4. Stomach only

Q.

_____________________ Salivary gland located just in front of and beneath each ear.

Q.

Question 6
What is the role of saliva in the digestion of food?

Q.

what is buccal cavity?

Q. How is our gut lining protected from its own secretion of proteases?

Q.

Digestion of ________ begins in the mouth.

Q. Epiglottis helps in preventing

1. Air from entering the oesophagus
2. Air from entering the larynx
3. Food from entering the larynx
4. Food from entering the oesophagus

Q.

Taste buds are distributed all over the aqueous chamber.

1. False
2. True

Q. A dog salivating when it hears a bell is a natural response.

1. True
2. False

Q. The process of digestion of food starts in the _______ .

1. stomach
2. small intestine
3. oesophagus
4. mouth

Q. Which body part mixes saliva with the food ?

1. Teeth
2. Tongue
3. Liver
4. Pancreas

Q.

Digestion of food starts in the mouth.

1. True

2. False

Q.

Our mouth opens up into a chamber called the ___ cavity.

Q.

Where is the buccal cavity located in frog?

Q. the enzyme that helps in digestion of cellulose is ?