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What is churning movement in digestion?

Important Questions on Human Nutrition

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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Which of the following is NOT an enzyme?
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Gastric juice of infants contains:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
The enzyme that is not present in succus entericus is:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Enzyme X extracted from the digestive system, hydrolyses peptide bonds. Which of the following are probable candidate to be enzyme X?
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An enzyme with optimal activity at pH 2.0 and 37°C is most likely to be:
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In the digestive system, the pH of the stomach and the intestine, respectively are:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
In the stomach, gastric acid is secreted by the
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Which ONE of the following statements about rennin is CORRECT?
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Explain the mechanism of digestion in stomach.
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A person had therapeutic surgery, which removed part of his stomach. Later, he started suffering from pernicious anemia. Biochemical tests showed that he had vitamin B12  deficiency. The most plausible cause for this deficiency is
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The proteolytic enzyme rennin is found in:
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The initial step in the digestion of milk in human is carried out by?
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Intrinsic factor that helps in the absorption of vitamin B12 is secreted by:
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Lactase hydrolyzes lactose into
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Which one of the following statements is true about trypsinogen?
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Succus entericus is referred to as:
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Identify the CORRECT match of the site of action on food substrate, enzyme acting on it and its end products in the following reactions.
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Match List I with List II.

List I 

(Cells)

List II

(Secretion)
A. Peptic cells I. Mucus
B. Goblet cells II. Bile juice

C. Oxyntic cells

 III. Proenzyme pepsinogen
D. Hepatic cells  IV. HCL and intrinsic factor for absorption of vitamin B12 

Choose the correct answer from the options given below:

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Biology>Human Physiology>Human Nutrition>Physiology of Digestion

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:- 

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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.