Three secretions meeting the food in small intestine are:

(1) Bile, gastric juice and saliva

(2) Bile, pancreatic juice and gastric juice

(3) Pancreatic juice, intestinal juice and gastric juice

(4) Bile, pancreatic juice and succus entericus

Trypsinogen, chymotrypsinogen, procarboxypeptidase, amylase, lipase and nuclease enzymes are found in:

(1) Pancreatic juice

(2) Succus entericus / intestinal juice

(3) Gastric juice

(4) Bile and gastric juice

Bile produced in the liver is associated with which of the following?

(1) Emulsification of fats into tiny globules (micelles) in the small intestine by bile salts

(2) Digestive action of pancreatic amylase

(3) Emulsification of fats into tiny globules in the stomach

(4) Digestion of proteins into amino acids

Bile aids in digestion and absorption of fats because it contains:

(1) Lipase

(2) Bile salts

(3) Bile pigments

(4) All of the above

Emulsification of fat is carried out by:

(1) Bile pigments

(2) Bile salts

(3) HCl

(4) Pancreatic juice

Enterokinase / enteropeptidase takes part in conversion of:

(1) Pepsinogen to pepsin

(2) Trypsinogen to trypsin

(3) Protein into polypeptides

(4) Caseinogen into casein

The intestinal mucosal epithelium has goblet cells which secretes:

(1) Digestive enzymes

(2) Intestinal digestive enzymes

(3) Mucus

(4) Succus intericus

The secretion of the brush border cells present in mucosa of small intestine along with secretions of goblet cells constitutes:

(1) Chyme

(2) Chyle  

(3) Succus intericus

(4) Interstitial fluid

Which of the following statements is false?

(1) The breakdown of most of biomacromolecules occurs in duodenum

(2) Simple substances (digested foods) are absorbed in the jejunum and ileum

(3) Very significant digestive activity occurs in large intestine

(4) Undigested and unabsorbed substances are passed on to the large intestine

The undigested substance (faeces) enter into the ________ of large intestine through ________ valve which prevents backflow of faecal matter:

(1) Caecum, ileo-caecal

(2) Colon, ileo-colon valve

(3) Rectum, Recto-colonic

(4) Colon, pyloric valve