Digestion and Absorption NEET PYQs
Class XI Biology
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NCERT Based
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NEET Practice
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12 questions in this chapter
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 Cell
(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:
A A-II, B-IV, C-I, D-III
B A-IV, B-III, C-II, D-I
C A-II, B-I, C-III, D-IV
D A-III, B-I, C-IV, D-II
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Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by:
A Pyloric sphincter
B Sphincter of Oddi
C Ileo-caecal valve
D Gastro-oesophageal sphincter
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Which of the following functions is not performed
by secretions from salivary glands?
A Digestion of complex carbohydrates
B Lubrication of oral cavity
C Digestion of disaccharides
D Control bacterial population in mouth
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Given below are two statements:
Statement I: Fatty acids and glycerols cannot be absorbed into the blood.
Statement II: Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood.
In the light of the above statements, choose the
most appropriate answer from the options given
below:
A Both Statement I and Statement II are
incorrect
B Statement I is correct but Statement II is
incorrect
C Statement I is incorrect but Statement II is
correct
D Both Statement I and Statement II are correct
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Succus entericus is referred to as:
A Pancreatic juice
B Intestinal juice
C Gastric juice
D Chyme
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Sphincter of oddi is present at:
A Ileo-caecal junction
B Junction of hepato-pancreatic duct and
duodenum
C Gastro-oesophageal junction
D Junction of jejunum and duodenum
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Identify the correct statement with reference to
human digestive system.
A Ileum opens into small intestine.
B Serosa is the innermost layer of the
alimentary canal.
C Ileum is a highly coiled part.
D Vermiform appendix arises from duodenum.
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The enzyme enterokinase helps in conversion of:
A protein into polypeptides
B trypsinogen into trypsin
C caseinogen into casein
D pepsinogen into pepsin
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Intrinsic factor that helps in the absorption of vitamin B12 is secreted by:
A Goblet cells
B Hepatic cells
C Oxyntic cells
D Chief cells
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The proteolytic enzyme rennin is found in:
A Intestinal juice
B Bile juice
C Gastric juice
D Pancreatic juice
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