Which of the following statement is not correct ?

1. Brunner's glands are present in the submucosa of stomach and secret pepsinogen.

2. Goblet cells are present in the mucosa of intestine and secret mucus.

3. Oxyntic cells are present in the mucosa of stomach and secret HCl.

4. Acini are present in the pancreas and secrete carboxypeptidase

Subtopic:  Histology of Gut | Peristalsis: Gland in Alimentary Canal |
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Gastric juice of infants contains?

1. maltase, pepsinogen, rennin

2. nuclease, pepsinogen, lipase

3. pepsinogen, lipase, rennin

4. amylase, rennin, pepsinogen

Subtopic:  Gastric Secretions |
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Which one of the following statement is false regarding digestion and absorption of food

in humans?

1. Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

2. Glucose and amino acids are absorbed with the help of carrier ions like Na+.

3. Chylomicrons are small lipoprotein particles that are transported from intestine into

blood capillaries.

4. About 30% of starch is hydrolysed by salivary amylase in our mouth.

 

Subtopic:  Absorption: Part 1 | Absorption |
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What will happen if the secretion of parietal cells of gastric glands is blocked with an

inhibitor?

1. Gastric juice will be deficient in chymosin

2. Gastric juice will be deficient in pepsinogen

3. In the absence of HCl secretion, inactive pepsinogen is not converted into the active

enzyme pepsin

4. Enterokinase will not be released from the duodenal mucosa and so trypsinogcn is not

converted to trypsin

Subtopic:  Gastric Secretions |
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Which one of the following is the correct matching of the site of action on the given

substrate, the enzyme acting upon it and the end product?
1. Duodenum :TriglyceridesTrypsinMonoglycerides
2. Small intestine :Starchα-amylaseDisaccharide (maltose)
3. Small intestine :ProteinsPepsinAmino Acids
4. Stomach :Fats LipaseMicelles

Subtopic:  Pancreatic Secretions | Intestinal Secretions | Absorption: Part 1 | Absorption: Part 2 | Absorption |
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The following is a scheme showing the fate of carbohydrates during digestion in the

human alimentary canal. Identify the enzymes acting at stages indicated as A, B, C

and D. Choose the correct option from those given.


1. A = Amylase, B = Maltase, C = Lactase,D = Invertase

2. A = Amylase, B = Maltase, C = Invertase,D = Lactase

3. A = Amylase, B = Invertase, C = Maltase, D = Lactase

4. A = Amylase, B = Lactase, C = Maltase, D = Invertase

Subtopic:  Movement of Food in Gut |
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During digestion, before the action of lipase, fat is emulsified by:-

1. ergosterols

2. phospholipids

3. lipoproteins

4. digitonin

Subtopic:  Pancreatic Secretions |
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Which of the folowing teeth are lophodont ?

1. Incisor and canine

2. Canine and premolar

3. Premolar and molar

4. Premolar and incisor

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
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Which of the following digestive juices has the minimum pH value ?

1. Bile

2. Gastric juice

3. Saliva

4. Pancreatic juice

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In adults, curdling of the milk in small intestine occurs due to the action of

1. rennin

2. erypsine

3. trypsin

4. chymotrypsin

Subtopic:  Gastric Secretions |
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