Digestion and Absorption MCQs | Digestion and Absorption Multiple Choice Questions (MCQs) with Answers

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Questions
1 Which form of fats is absorbed into the intestinal cells?
A micelles
B chylomicrons
C fatty acids
D both a) and b)

Answer:micelles
2 Function of caecum is to carryout digestion of
A starch
B proteins
C cellulose
D fats

Answer: cellulose
3 Part of the stomach which opens into the duodenum?
A cardiac
B pyloric
C fundus
D body

Answer: pyloric
4 Which is the hardest material of the human body?
A Dentine
B Enamel
C Teeth
D Bone

Answer: Enamel
5 Which one of the following pairs of food components in humans reaches the stomach totally undigested
A starch and cellulose
B protein and starch
C starch and fat
D fat and cellulose

Answer: fat and cellulose
6 A young infant may be feeding entirely on mother’s milk which is white in colour but he possesses yellowish coloured stools.What is this yellow colour due to?
A Pancreatic juice poured into duodenum
B Intestinal juice
C Bile pigments passed through bile juice
D Undigested milk protein casein

Answer: Bile pigments passed through bile juice
7 The absorption of water,alcohol and monosaccharidesoccour in
A gastric mucosa
B mucosa of ileum
C intestinal mucosa
D none of the above

Answer: gastric mucosa
8 Select what is not true of intestinal villi among followings:
A They possesses microvilli
B They increase the surface area
C They are supplied with capillaries and the lacteal vessels
D They only participate in digestion of fats

Answer:They only participate in digestion of fats
9 Hepatopancreatic duct opens into the duodenum and carries
A Bile
B Pancreatic juice
C both bie and pancreatic juice
D saliva

Answer:both bie and pancreatic juice
10 One of the following is not a common disorder associated with digestive system:
A Tetanus
B Diarrhoea
C Jaundice
D Dysentery

Answer: Tetanus
11 Which one of the following is a non reducing carbohydrate?
A Maltose
B Sucrose
C Lactose
D Ribose 5 –phosphate

Answer:Sucrose
12 Where do certain symbiotic microorganisms normally occour in human body?
A Caecum
B oral lining and toungue surface
C Vermiform appendix and rectum
D Duodenum

Answer:Caecum
13 What is the another name of gastro oesophageal sphincter?
A pyloric sphincter
B gastro duodenal sphincter
C cardiac sphincter
D sphincter of oddi

Answer: cardiac sphincter
14 In humans,which opening is guarded by sphincter of Oddi?
A Opening of hepatopancreatic ampulla into duodenum
B Opening of stomach into duodenum
C Opening of oesophagus into stomach
D Opening of bile duct into gall bladder

Answer: Opening of hepatopancreatic ampulla into duodenum
15 The epithelium of the mucosa remain unaffected from HCl due to
A mucous continues to lubricate the inner lining
B bicarbonates present in the gastric juices protect the linings
C both a) and b)
D none of the above

Answer: both a) and b)
16 Which of the following cells produce HCl ?
A B-cell
B α-cell
C Oxyntic cell
D Chief cell

Answer:Oxyntic cell
17 What is frenulum?
A it is the fold by which tongue is attached to the floor of oral cavity
B it is an adenoid which is present on pharyngeal wall
C it is a tonsil like structure
D it is a V-shaped furrow which divides the surface of tongue

Answer: It is the fold by which tongue is attached to the floor of oral cavity
18 Thecodont,diphyodont and heterodont teeth are characterstic of
A Aves
B Reptiles
C Mammals
D Amphibians

Answer:Mammals
19 The small intestine has three parts. The first part is called
A Duodenum
B Oesophagus
C Larynx
D None of the above

Answer: Duodenum
20 ________ is a characteristic feature of epithelial cells of the intestine
A Glottis
B Pilus
C Bolus
D Microvilli

Answer: Microvilli

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