Salivary Gland and Saliva

Q.

What is the function of the stomach?

Q.

Describe the function of saliva.

Q.

Explain the process of digestion in the buccal cavity with a note on the arrangement of teeth.

Q. How saliva and mucus are different from each other.

Q. What is the role of buccal cavity in digestion of food?

Q.

Choose the correct answer among the following:

Gastric juice contains

1. pepsin, lipase and rennin

2. trypsin , lipase and rennin

3. trypsin, pepsin and lipase

4. trypsin, pepsin and renin

Q.

What is the function of amylase?

Q. The polymer of fructose is

1. cellulose
2. inulin
3. starch
4. glycogen

Q.

____% of starch is hydrolysed by salivary amylase

1. 60%

2. 30%

3. All starch is hydrolysed

4. 0%

Q. Assertion- Saliva in the mouth has antimicrobial activity
Reason- Lysozyme in the saliva helps to break the bacterial cell wall.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are false
3. Both assertion and reason are true and the reason is the incorrect explanation of the assertion
4. The assertion is true but the reason is false

Q. How much saliva on an average a human body produces per day?

1. 200 -800 ml/ day
2. 1500-3000ml/ day
3. 1000-1500 ml/ day
4. 500-1000 ml/ day

Q.

Match column I with column II

Column I		Column II
(a)	Bilirubin and biliverdin	(i)	Parotid
(b)	Hydrolysis of starch	(ii)	Bile
(c)	Digestion of fat	(iii)	Lipases
(d)	Salivary gland	(iv)	Amylases

Q.

What is a lacrimal gland? Mention its functions

Q.

___________ breaks the starch present in food into sugar.

Q.

The partially digested semi solid food in the stomach is called ____________

Q.

How are polysaccharides and disaccharides digested?

Q. In which of the following salivary glands, is Stenson’s duct found?

1. Submandibular gland
2. Sublingual gland
3. Parotid gland
4. None of the above

Q. The foetal ejection reflex in humans stimulates ____________ to release the ____________ hormone, which is responsible for parturition.

1. foetal pituitary, oxytocin
2. maternal pituitary, oxytocin
   
3. placenta, human Placental Lactogen (hPL)
   
4. placenta, human Chorionic Gonadotropin (hCG)

Q.

Chyme is formed in ___________.

1. mouth

2. Oesophagus

3. stomach

4. intestine

Q.

The tip of the tongue carries the following taste

1. Sweet

2. Sour

3. Bitter

4. Salt

Q. Salivary amylase hydrolyses

1. maltose to glucose
2. peptones to dipeptides
3. fats to monoglycerides
4. starch to maltose

Q. Mucus in saliva helps in converting the masticated food particles into a ________.

1. chyme
2. succus entericus
3. bolus
4. proteoses

Q. Mention the role of mucus present in our saliva.

Q. What type of activity cannot be expected in oral cavity during digestion of starch?
(1) Formation of bolus
(2) Formation of monosaccharide
(3) Presence of electrolytes like K+, and HCO${}^{3-}$
(4) Presence of all the types of digestive amylases

1. 1, 2, 3, 4
2. 2 only
3. 2, 4 only
4. 1, 3 only

Q. Define digestion. Explain the process of digestion in buccal cavity.

Q.

Chemical process of digestion is initiated in the

1. Duodenum

2. Stomach

3. Oral cavity

4. Ileum

Q. Vestibule is the space between

1. Gums and lips
2. tongue and teeth
3. incisor and premolar
4. Tongue and palate

Q. How much saliva on an average a human body produces per day?

1. 200 -800 ml/ day
2. 1000-1500 ml/ day
3. 500-1000 ml/ day
4. 1500-3000ml/ day

Q. The salivary glands secrete saliva which contains the enzyme

1. Pepsin
2. Renin
3. Ptyalin
4. Lipase

Q. Ptyalin of saliva acts in:

1. all types of media
2. Slightly acidic medium
3. slightly alkaline medium
4. highly alkaline medium