Question 1
Choose the correct answer among the following:
(a) Gastric juice contains
(i) pepsin, lipase and rennin
(ii) trypsin lipase and rennin
(iii) trypsin, pepsin and lipase
(iv) trypsin, pepsin and renin
(b) Succus entericus is the name given to
(i) a junction between ileum and large intestine
(ii) intestinal juice
(iii) swelling in the gut
(iv) appendix

Question 3
Answer briefly:
(a) Why are villi present in the intestine and not in the stomach?
(b) How does pepsinogen change into its active form?
(c) What are the basic layers of the wall of alimentary canal?
(d) How does bile help in the digestion of fats?

Question 6
Given the dental formula of human beings

Question 7
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

Question 8
Describe the digestive role of chymotrypsin. What two other digestive enzymes of the same category are secreted by its source gland?

Question 9
How are polysaccharides and disaccharides digested?

Question 10
What would happen if HCl were not secreted in the stomach?

Question 11
How does butter in your food gets digested and absorbed in the body?

Question 15
What are the functions of the liver?