Multiple Choice Questions

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Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column (II).

  • Column I

    Column II

    Glycine and glucose

    Small intestine and active absorption

  • Column I

    Column II

    Fructose and Na+

    Small intestine passive absorption

    Column I

    Column II

    Glycine and glucose

    Small intestine and active absorption

  • Column I

    Column II

    Glycerol and Fatty acids

    Duodenum and move as chilomicrons

  • Column I

    Column II

    Glycerol and Fatty acids

    Duodenum and move as chilomicrons


A.

Column I

Column II

Glycine and glucose

Small intestine and active absorption

Amino acids monosaccharides like glucose, electrolytes like Na+ are absorbed into the blood by active transport. Fructose and some amino acids are absorbed with the help of the carrier ions like Na+ by facilitated transport. Fatty acid and glycerol cannot be absorbed into the blood. They are first incorporated into small droplets called micelles, which move into the intestinal mucosa.

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Which of the following guards the opening of hepatopancreatic duct into the duodenum?

  • illeocaecal valve

  • Pyloric sphincter

  • Sphincter of Oddi

  • Sphincter of Oddi

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In the stomach, gastric acid is secreted by the

  • parietal cells

  • peptic cells

  • acidic cells

  • acidic cells

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The guta of cow and buffalo possess

  • Fucus sp

  • Chlorella sp

  • Methanogens

  • Methanogens

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The primary dentition in human differs from permanent dentition in not having one of the following type of teeth

  • Canine

  • Premolars

  • Molars

  • Molars

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The enzyme that is not present in succus entericus is

  • maltase

  • nucleases

  • nucleosidase

  • nucleosidase

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Anxiety and eating spicy food together in an otherwise normal human may lead to

  • Vomiting

  • Indigestion

  • Jaundice

  • Jaundice

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Which of the following statements is not correct?

  • Brunner's glands are present in the submucosa of stomach and secrete pepsinogen

  • Goblet cells are present in the mucosa of intestine and secrete mucus

  • Oxyntic cells are present in the mucosa of stomach and secrete HCl.

  • Oxyntic cells are present in the mucosa of stomach and secrete HCl.

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Gastric juice of infants contains

  • maltase, pepsinogen, rennin

  • nuclease, pepsinogen, lipase

  • pepsinogen, lipase, rennin

  • pepsinogen, lipase, rennin

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One of the constituents of the pancreatic juice while poured into the duodenum in humans, is

  • Trypsinogen

  • chymotrypsin

  • trypsin

  • trypsin

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