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In the following flowchart about protein digestion, P, Q, R and S are enzymes.

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The correct information of enzymes P, Q, R and S is

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Important Questions on Digestion and Absorption

HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Give the names and functions of enzymes responsible for protein digestion in alimentary canal.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Enzyme X extracted from the digestive system, hydrolyses peptide bonds. Which of the following are probable candidate to be enzyme X?
HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
What is a biological catalyst? Name two such catalysts. Discuss the role they play in our body. What is the function of the hydrochloric acid released by the gastric glands into the stomach?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Gastric juice of infants contains:
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Lactase hydrolyzes lactose into
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Describe the process of digestion of proteins in the stomach.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
The enzyme that is not present in succus entericus is:
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans

Match the following 

   List - I     List - II
(a) Villikinin (i) Stimulates the secretion of HCl and pepsinogen
(b) Secretin (ii) Stimulates the secretions of H2O and HCO3-
(c) Gastrin (iii) Stimulates intestinal epithelial movement to increase nutrient absorption
(d) Cholecystokinin (iv) Stimulates the secretion of pancreatic enzymes and bile juice

The correct answer is

MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Example of fat digesting enzyme is:
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which of the following is not a polymer?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which hormones do stimulate the production of pancreatic juice and bicarbonate?
HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Give the name of the enzyme secreted by the alimentary canal, one of the product of which is pentose sugar.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which of the following options best represents the enzyme composition of pancreatic juice?
HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Write the name and place of origin of any five enzymes generated in the human digestive system and also write their works. 
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
The initial step in the digestion of milk in human is carried out by?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which one of the following statements is true about trypsinogen?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Removal of the pancreas impairs the breakdown of
HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which of the following substance is changed into amino acid after digestion
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which chemical flowing through the blood initiates the digestion of protein in humans?
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Enterohepatic circulation of bile salts refers to
a) Circulation of bile juice between gall bladder and the liver through the cystic duct.
b) Combining of bile acids with sodium to form bile salts.
c) Bile salts after emulsification are absorbed back into the blood and are used in the liver for bile juice.
d) Bile salts of chylomicrons are released into the blood and are carried to the liver where they are not used in the formation of bile juice.