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Find out the correct match from the following table :-

     Column-I Column-II Column-III
A Goblet cells Mucus Prevent mucosa layer from damage of HCI
B Lysozyme Saliva Antibacterial agent
C Saliva Subparotid gland Secrete salivary amylase
D Oxyntic cells HCI Stimulate gastric lipase

 

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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?
EASY
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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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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In the digestive system, the pH of the stomach and the intestine, respectively are:
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
In the stomach, gastric acid is secreted by the
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Which ONE of the following statements about rennin is CORRECT?
HARD
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Explain the mechanism of digestion in stomach.
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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
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
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
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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Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Intrinsic factor that helps in the absorption of vitamin B12 is secreted by:
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Lactase hydrolyzes lactose into
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Which one of the following statements is true about trypsinogen?
EASY
Biology>Human Physiology>Human Nutrition>Physiology of Digestion
Succus entericus is referred to as:
EASY
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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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:- 

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