Salivary Glands

Q.

Differentiate between pepsin and trypsin

Q.

Name the enzymes secreted by the salivary glands

Q.

Write a note on digestive glands.

Q.

Name the enzyme present in human saliva. What type of food material is digested by this enzyme ?

Q.

What happen to the food in mouth

Q.

Is there difference between ptyalin and salivary amylase secreted in mouth ?

Q.

What is the function of salivary glands?

Q.

What is saliva?

Q.

What substance is mixed with food in the mouth during mastication of food by the teeth?

Q.

Which one of the following is not a gland?

1. Liver

2. Salivary

3. Tongue

4. Pancreas

Q.

If the saliva is lacking in salivary amylase, then which of the following processes taking place in the buccal cavity will be affected ?.
(a) proteins breaking down into amino acids
(b) starch breaking down into sugars
(c) fats breaking down into fatty acids and glycerol
(d) intestinal layer breaking down leading to ulcers

Q. Difference between trypsin and pepsin.

Q. Give the reason for the following :​

(i) Medicines dropped in the eye flow down into the nose

Q.

The first enzyme to mix with food in the digestive tract is :
(a) pepsin (b) cellulose (c) amylase (d) trypsin

Q. Identify the gland which secretes bile.

1. 1
2. 2
3. 3
4. 4

Q. The salivary glands produce saliva. What is the function of saliva?

1. Digestion of food
2. Purification of blood
3. Keeping our body cool
4. Giving taste to the food materials

Q.

Question 31
Which is the first enzyme to mix with food in the digestive tract?

(a) Pepsin
(b) Cellulase
(c) Amylase
(d) Trypsin

Q.

Trypsin: Pancres: Ptyalin: ?
1) Salivary glands 2) Small intestine 3) Gastric juice 4) Liver

Please answer with description.

Q. The saliva secreted by salivary glands not

1. Contain electrolytes like $N{a}^{+},K^{+},C{I}^{-}$ and $3HC{O}_3^{+}$
2. Give safely against dental carries
3. Bring about hydrolysis of starch upto $90\%$
4. Initiate the process of digestion

Q. Saliva contains enzyme:

1. Enterokinase
2. Ptyalin/amylase
3. Chymotrypsin
4. Lipase

Q.

Mention any two functions of the following:
Saliva

Q. Amount of saliva secreted per day is

1. 250 ml
2. 500 ml
3. 750 ml
4. 1000 ml

Q. Differentiate between digestion in small intestine and digestion in stomach.

Q. How is Saliva formed ?

Q. Match the terms in column I with those in column II :

	Column I		Column II
(i)	Trypsin	(a)	Liver
(ii)	Amylase	(b)	Gastric glands
(iii)	Bile	(c)	Pancreas
(iv)	Pepsin	(d)	Saliva

Q. Find the location(s) of the salivary glands from the options given below.

1. Above the tongue
2. Below the tongue
3. In front of the ears
4. Back of the ears

Q. What substance is mixed with food in the mouth during chewing by the teeth?

Q. Choose the correct option regarding the following statements.
(i) The chemical process of digestion is initiated in the oral cavity.
(ii) Salivary amylase helps in the digestion of proteins.
(iii) Salivary gland is an an exocrine gland.

1. Only statement (i) is correct.
2. Only statement (i) and statement (ii) are correct.
3. Only statement (i) and statement (iii) are correct.
4. Only statement (iii) is correct

Q. With reference to a normal human being, which one of the following statements is not correct?

1. Human saliva is slightly alkaline
2. Saliva is secreted by six pairs of salivary glands in human beings
3. An adult human may secrete 1 to 1.5 L of saliva per day
4. The salivary enzyme (ptyalin) breaks down cooked starch into maltose

Q. The first enzyme to mix with food in the digestive tract is:
(a) pepsin
(b) cellulose
(c) amylase
(d) trypsin