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NEET Biology · Digestion & Absorption · Set 1 (Q1-16)

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  1. 1.
    Anxiety and eating spicy food together otherwise normal human, may lead to
    1. (1)Indigestion
    2. (2)Jaundice
    3. (3)Diarrhoea
    4. (4)Vomiting
  2. 2.
    In the stomach, gastric acid is secreted by the:
    1. (1)gastrin secreting cells
    2. (2)parietal cells
    3. (3)peptic cells
    4. (4)acidic cells
  3. 3.
    Carrier ions like Na+ facilitates the absorption of substance like
    1. (1)Amino acids and glucose
    2. (2)Glucose and fatty acids
    3. (3)Fatty acids and glycerol
    4. (4)Fructose and some amino acids
  4. 4.
    The enzyme that is not present in succus entericus is
    1. (1)Nucleases
    2. (2)Nucleosidase
    3. (3)Lipase
    4. (4)Maltase
  5. 5.
    Which of the following guards the opening of hepatopancreatic duct into the duodenum?
    1. (1)Semilunar valve
    2. (2)Ileocaecal valve
    3. (3)Pyloric sphincter
    4. (4)Sphincter of Oddi
  6. 6.
    If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
    1. (1)The pancreatic enzymes and specially the trypsin and lipase will not work efficiently.
    2. (2)The pH of stomach will fall abruptly.
    3. (3)Steapsin will be more effective.
    4. (4)Proteins will not be adequately hydrolyzed by pepsin into proteoses and peptones.
  7. 7.
    Where do certain symbiotic microorganisms normally occur in human body?
    1. (1)Oral lining and tongue surface
    2. (2)Vermiform appendix and rectum
    3. (3)Duodenum
    4. (4)Caecum
  8. 8.
    The primary dentition in human differs from permanent dentition in not having one of the following type of teeth
    1. (1)Premolars
    2. (2)Molars
    3. (3)Incisors
    4. (4)Canine
  9. 9.
    Fructose is absorbed into the blood through mucosa cells of intestine by the process called
    1. (1)Active transport
    2. (2)Facilitated transport
    3. (3)Simple diffusion
    4. (4)Co transport mechanism
  10. 10.
    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
    1. (1)Glycine, glucose Small intestine and active absorption
    2. (2)Fructose, Na+ Small intestine and passive absorption
    3. (3)Glycerol and fatty acids Duodenum, move as chilomicrons
    4. (4)Cholesterol and maltose Large intestine and active absorption
  11. 11.
    Which hormones do stimulate the production of pancreatic juice and bicarbonate?
    1. (1)Gastrin and insulin
    2. (2)Cholecystokinin and secretin
    3. (3)Insulin and glucagon
    4. (4)Angiotensin and epinephrine
  12. 12.
    Which of the following enzymes carries out the initial step in the digestion of milk in humans?
    1. (1)Rennin
    2. (2)Lipase
    3. (3)Trypsin
    4. (4)Pepsin
  13. 13.
    One of the constituents of the pancreatic juice which is poured into the duodenum in humans
    is
    1. (1)Trypsinogen
    2. (2)Chymotrypsin
    3. (3)Trypsin
    4. (4)Enterokinase
  14. 14.
    Which of the following statement is not incorrect?
    1. (1)Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.
    2. (2)Goblet cells are present in the mucosa of intestine and secrete mucus.
    3. (3)Oxyntic cells are present in the mucosa of stomach and secrete HCI.
    4. (4)Acini are present in the pancreas and secrete Carboxypeptidase.
  15. 15.
    Gastric juice of infants contains
    1. (1)Maltase, pepsinogen, rennin
    2. (2)Nuclease, pepsinogen, lipase
    3. (3)Pepsinogen, lipase, rennin
    4. (4)Amylase, rennin, pepsinogen
  16. 16.
    Jaundice is a disorder of
    1. (1)Excretory system
    2. (2)Skin and eyes
    3. (3)Digestive system
    4. (4)Circulatory system