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

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Free download in PDF Digestion and Absorption Multiple Choice Questions (MCQs) and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>

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(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
[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.

[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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