EASY
Earn 100

Explain the function of lysozyme in saliva.

Important Questions on Digestion and Absorption

EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
An enzyme with optimal activity at pH 2.0 and 37°C is most likely to be:
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

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
Digestion of both starch and proteins is carried out by enzymes of
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

Match the digestive glands given in Column - I with their respective enzymes given in Column — II and choose the correct combination from the given options,

  Column I   Column II
(1) Pancreas (p) Pepsin
(2) Gastric glands (q) Enterokinase
(3) Small intestine (r) Ptyalin
(4) Salivary glands (s) Trypsin

Choose the correct option:- 

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
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
Which hormones do stimulate the production of pancreatic juice and bicarbonate?
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?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Gross calorific value and physiological value of proteins are _______ and _______ kcal/g respectively.
MEDIUM
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which of the following functions is not performed by secretions from salivary glands?
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Identify the CORRECT match of the site of action on food substrate, enzyme acting on it and its end products in the following reactions.
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which ONE of the following statements about rennin is CORRECT?
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.
HARD
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Explain the mechanism of digestion in stomach.
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?
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
The enzyme that is not present in succus entericus is:
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which one of the following glands does not secrete saliva?