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The amount of bile released is in proportion to the amount of:

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Important Questions on Digestion and Absorption

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

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
Gross calorific value and physiological value of proteins are _______ and _______ kcal/g respectively.
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
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
Digestion of both starch and proteins is carried out by enzymes of
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
In the stomach, gastric acid is secreted by the
EASY
Biology>Human Physiology>Digestion and Absorption>Digestion of Food in Humans
Which one of the following statements is true about trypsinogen?
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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:
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
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:
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.
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
In the digestive system, the pH of the stomach and the intestine, respectively are:
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
Which ONE of the following statements about rennin is CORRECT?
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 of the following options best represents the enzyme composition of pancreatic juice?