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What is Churning of food ?

Important Questions on Human Nutrition

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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
Gastric juice of infants contains:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
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
Intrinsic factor that helps in the absorption of vitamin B12 is secreted by:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
The initial step in the digestion of milk in human is carried out by?
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
The proteolytic enzyme rennin is found in:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Lactase hydrolyzes lactose into
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
An octapeptide (NH2 -Asn-Glu-Tyr-Lys-Trp-Met-Glu-Gly) is subjected to complete protease and chemical digestion. Based on the results obtained, choose the incorrect option from below.
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Which one of the following statements is true about trypsinogen?
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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

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
Which of the following statements is not correct?
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
An enzyme with optimal activity at pH 2.0 and 37°C is most likely to be:
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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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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Succus entericus is referred to as:
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Give the name of the enzyme secreted by the alimentary canal, one of the product of which is pentose sugar.
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion

 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:

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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
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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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
The enzyme that is not present in succus entericus is: