EASY
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How does mucus help in passage of food?

Important Questions on Digestion and Absorption

HARD
Which of the following substance is changed into amino acid after digestion
EASY
Enzyme X extracted from the digestive system, hydrolyses peptide bonds. Which of the following are probable candidate to be enzyme X?
EASY
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
MEDIUM
Which of the following statements is not correct?
EASY
Describe the process of digestion of proteins in the stomach.
EASY
Identify the CORRECT match of the site of action on food substrate, enzyme acting on it and its end products in the following reactions.
HARD
Give the names and functions of enzymes responsible for protein digestion in alimentary canal.
MEDIUM
Which chemical flowing through the blood initiates the digestion of protein in humans?
EASY
The initial step in the digestion of milk in human is carried out by?
HARD
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
Which one of the following statements is true about trypsinogen?
EASY
In the stomach, gastric acid is secreted by the
EASY
Which ONE of the following statements about rennin is CORRECT?
EASY

Study the following diagram of human tongue and identify the part I, II, and III

Question Image

MEDIUM
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.
HARD
Write the name and place of origin of any five enzymes generated in the human digestive system and also write their works. 
HARD
Give the name of the enzyme secreted by the alimentary canal, one of the product of which is pentose sugar.
EASY
The enzyme that is not present in succus entericus is: