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

Questions
1 A large lymph vessel present in the villus of small intestine is called
A crypts
B lacteal
C Peyer’s patches
D valve of kerkring

Answer:lacteal
2 Which of the following match is correct?
A Renin-Protein
B Trypsin-starch
C Invertase-Sucrase
D Amylase-Lactose

Answer:Invertase-Sucrase
3 Match the following columns
Column -IColumn-II
a-Salivary amylase1. Proteins
b -Bile salts2. Milk protein
c-Renin3. starch
d-Pepsin4. Lipids
e-Steapsin5. Emulsification of fats
A 5 4 1 2 3
B 3 5 2 1 4
C 2 3 5 4 1
D 2 3 4 5 1

Answer: 3 5 2 1 4
4 Which one of the following sugar is most rapidly absorbed in the human gut.?
A Glucose
B Fructose
C Galactose
D Sucrose

Answer: Galactose
5 Select the true statement regarding the digestion and absorption of food in humans.
A Oxyntic cell in human stomach secretes proenzymes,pepsinogen and trypsinogen
B Chylomicrons are small lipoprotein vesicles which are transported from the intestine into blood capillaries
C About 70% of the starch is hydrolysed by salivary amylase
D Fructose and aminoacids are absorbed through the intestinal mucosa with the help of carrier ions like Na+

Answer:Chylomicrons are small lipoprotein vesicles which are transported from the intestine into blood capillaries
6 Absorption of fat occours through the process of
A active transport
B passive transport
C osmosis
D simple diffusion

Answer:simple diffusion
7 What is common among amylase,renin and trypsin?
A all are produced in stomach
B all act at a pH lower than 7
C all are proteins
D all are proteolytic enzymes

Answer:all are proteins
8 What name would you suggest for a thoroughly mixed food with gastric juices by the churning movements of muscular stomach wall?
A Bolus
B Chyme
C Either bolus or chime
D none of these

Answer:Chyme
9 Which is the inactive form of enzyme,pepsin?
A Pepsinogen
B Protease
C Trypsin
D Peptones

Answer: Pepsinogen
10 Pepsinogen is converted into active form of enzyme pepsin with the help of which of the following compound?
A Proenzyme
B Hydrochloric acid
C Electrolyte
D Bicarbonates

Answer: Hydrochloric acid
11 Which enzyme is responsible for the digestion of milk in infants?
A Pepsin
B Trypsin
C Renin
D various proteolytic enzyme

Answer:Renin
12 Maximum absorption of water occours in
A caecum
B colon
C small intestine
D large intestine

Answer:colon
13 Succus entericus is secreted by
A Goblet cells
B Crypts of Lieberkuhn
C Islets of lengerhans
D Paneth cell

Answer: Crypts of Lieberkuhn
14 What is the composition of bile?
A bile pigment and bile salts
B bile pigments and cholesterol
C cholesterol and phospholipids
D All the above

Answer: All the above
15 Which of the following present in the filiform papillae of the tongue?
A chemoreceptors
B thermoreceptors
C tactile receptors
D taste buds

Answer: tactile receptors
16 The gastric juice contain
A trypsin,renin,pepsin
B pepsin,trypsin,amylase
C pepsin ,renin, lipase
D trypsin,pepsin,lipase

Answer:pepsin ,renin, lipase
17 Fill in the blanks with appropriate options to complete the given equation image004
A A-Lysozyme B-Polyglycerides
B A-Lysozyme B-Diglycerides
C A-Lipase B)Diglycerides
D A-Lipase B)Polyglycerides

Answer: A-Lipase B)Diglycerides
18 Bile salt activates which enzyme?
A Lipase
B pancreatic amylase
C Pepsinogen
D Trypsinogen

Answer:pancreatic amylase
19 Choose the incorrect statement regarding human digestive system with reference to a normal person.
A Human saliva is slightly acidic
B In human being, four pair of salivary gland secretes saliva
C The quantity of saliva in adult man may be 1 to 1.5L day
D Enzyme amylase present in saliva is responsible for the break down of starch into simpler sugar

Answer: In human being, four pair of salivary gland secretes saliva
20 The given below diagram represents a duct system of pancreas,liver and gall bladder.Label the diagram from A to E.

image003

A A-Gall bladder, B-common bile duct, C-Hepato pancreatic duct D-Pancreas E-Pancreatic duct
B A-Gall bladder, B- bile duct, C-Hepato pancreatic duct D-Pancreatic duct E-Pancreas
C A-Gall bladder, B- bile duct, E-Hepato pancreatic duct C-Pancreatic duct D-Pancreas
D A-Gall bladder, B-common bile duct, E-Hepato pancreatic duct D-Pancreatic duct C-Pancreas

Answer: A-Gall bladder, B-common bile duct, E-Hepato pancreatic duct D-Pancreatic duct C-Pancreas
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