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NEET • BIOLOGY • DIGESTION AND ABSORPTION
Digestion and absorption practice · Easy
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Showing 1-30 of 76 questions
1
Easy
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Understanding
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In the following gastrointestinal disorder, bowel movements occur irregularly and the faeces are retained within the colon
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Correct option: D
Constipation
Option D (Constipation) is correct because constipation is characterized by infrequent bowel movements and the retention of feces within the colon, leading to hard and difficult-to-pass stools.
2
Easy
2 of 76
Remembering
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Which of the following is the constituent of pancreatic juices?
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Correct option: A
Sodium bicarbonate and three proenzymes
The correct answer is A (Sodium bicarbonate and three proenzymes) because pancreatic juice contains sodium bicarbonate to neutralize stomach acid and three major proenzymes: trypsinogen, chymotrypsinogen, and procarboxypeptidase.
3
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The essential vitamin for blood coagulation is
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Correct option: C
Vitamin-K
Option C (Vitamin-K) is correct because Vitamin K is essential for the synthesis of clotting factors in the blood, which are necessary for blood coagulation.
4
Easy
4 of 76
Understanding
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In human body, the role of bile salts in digestion is to
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Correct option: B
Emulsify fats and facilitate their absorption
Option B (Emulsify fats and facilitate their absorption) is correct because bile salts break down large fat globules into smaller droplets, increasing the surface area for lipase to act and facilitating absorption.
5
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The pH of the digestive juices within the human small intestine is between 7.5 and 8.5. This environment is slightly
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Correct option: A
Basic
Option A (Basic) is correct because a pH between 7.5 and 8.5 is above 7, indicating a basic or alkaline environment.
6
Easy
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Remembering
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The best source of vitamin- is
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Correct option: A
Whole Wheat bread
Option A (Whole Wheat bread) is correct as it is a rich source of vitamin B1 (Thiamine).
7
Easy
7 of 76
Remembering
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Submaxillary glands of rabbit pour their secretions through
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Correct option: C
Wharton’s duct
Option C is correct because the submaxillary glands (also known as submandibular glands) in rabbits, like in many mammals, release their secretions through Wharton's duct.
8
Easy
8 of 76
Understanding
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All of the following are true of secretions from the salivary glands, except that they
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Correct option: D
contain enzymes for the digestion of simple sugars
Option D (contain enzymes for the digestion of simple sugars) is correct because salivary glands contain amylase for complex carbohydrates, not enzymes for simple sugars.
9
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9 of 76
Remembering
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Which is not a disorder of the digestive system?
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Correct option: C
Emphysema
Option C (Emphysema) is correct because emphysema is a respiratory disorder, not a digestive disorder. The other options are all digestive system disorders.
10
Easy
10 of 76
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Brunner’s glands are located in
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Correct option: D
Duodenum
The correct answer is D (Duodenum) because Brunner's glands are submucosal glands specifically located in the duodenum.
11
Easy
11 of 76
Remembering
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Which is the hardest material of the human body?
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Correct option: B
Enamel
Option B (Enamel) is correct because enamel is the hardest substance in the human body due to its high mineral content.
12
Easy
12 of 76
Remembering
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Secretin and cholecystokinin are secreted by
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Correct option: A
( Brunner’s glands) mucosa of small intestin (duodenum)
The correct answer is A (( Brunner’s glands) mucosa of small intestin (duodenum)) because secretin and cholecystokinin are secreted by the mucosa of the small intestine, specifically the duodenum, sometimes associated with Brunner's glands.
13
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Understanding
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Which of the following does not match?
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Correct option: A
Pancreas- Glisson’s capsule
Option A (Pancreas- Glisson’s capsule) is correct because the pancreas does not have Glisson's capsule; the liver does.
14
Easy
14 of 76
Remembering
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What is the main site of amino acids absorption in human’s small intestine?
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Correct option: D
Both (a) and (b)
Option D (Both (a) and (b)) is correct because amino acids are absorbed in both the duodenum and jejunum of the small intestine.
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Understanding
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The largest variety of digestive enzymes is found in
View answer and explanation
Correct option: C
Omnivores
Option C (Omnivores) is correct because they consume both plant and animal matter, requiring a wider range of enzymes for digestion.
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16
Easy
16 of 76
Remembering
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Maximum percentage of lipoprotein is in
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Correct option: A
Chylomicron
Option A (Chylomicron) is correct because chylomicrons are known to have the highest percentage of lipids compared to other lipoproteins.
17
Easy
17 of 76
Remembering
+4 | -1
Which of the following represent bile salts?
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Correct option: D
Sodium glycocholate and taurocholate
Option D (Sodium glycocholate and taurocholate) is correct because these are the primary bile salts that aid in fat emulsification and absorption.
18
Easy
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Understanding
+4 | -1
Which of the following is not the function of large intestine?
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Correct option: B
Nutrient absorption
Option B (Nutrient absorption) is correct because the primary function of the large intestine is water absorption, not nutrient absorption.
19
Easy
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Remembering
+4 | -1
The digestion of starch by amylase is completed in the
View answer and explanation
Correct option: D
Duodenum
Option D (Duodenum) is correct because the duodenum is the primary site for starch digestion by pancreatic amylase.
20
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Understanding
+4 | -1
Which of the following is not true
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Correct option: B
Vitamins and minerals are required in large quantity
Option B (Vitamins and minerals are required in large quantity) is not true because vitamins and minerals are required in trace quantities, not large quantities.
21
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Understanding
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By which process, glucose and amino acids are absorbed in the small intestine?
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Correct option: A
Active transport
Option A is correct because glucose and amino acids are absorbed in the small intestine through active transport, requiring energy to move them against their concentration gradients.
22
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Remembering
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The juice containing sodium glycocholate is released under the influence of
View answer and explanation
Correct option: B
Cholecystokinin
Option B (Cholecystokinin) is correct because cholecystokinin stimulates the release of bile containing sodium glycocholate from the gallbladder.
23
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Remembering
+4 | -1
Which of the following cells produce HCl?
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Correct option: C
Oxyntic cells
Option C (Oxyntic cells) is correct because oxyntic cells (parietal cells) in the stomach secrete hydrochloric acid (HCl).
24
Easy
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Remembering
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The opening of the common bile duct is guarded by sphincter?
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Correct option: C
Oddi
Option C (Oddi) is correct because the sphincter of Oddi controls the flow of bile and pancreatic juice into the duodenum.
25
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Remembering
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What name would you suggest for a thoroughly mixed food the with gastric juices by the churning movements of muscular stomach wall?
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Correct option: B
Chyme
Option B (Chyme) is correct because chyme is the mixture of partially digested food and gastric juices in the stomach.
26
Easy
26 of 76
Remembering
+4 | -1
FAD is a coenzyme derived from
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Correct option: A
Riboflavin
The correct answer is A (Riboflavin) because FAD (Flavin Adenine Dinucleotide) is a coenzyme derived from riboflavin (Vitamin B2).
27
Easy
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Understanding
+4 | -1
The breakdown of biomolecules i.e. dipeptides like- lactose, maltose and sucrose etc. occur mainly in the
View answer and explanation
Correct option: C
Duodenum region of small intestine
Option C (Duodenum region of small intestine) is correct because the duodenum is the primary site for the breakdown of disaccharides like lactose, maltose, and sucrose by enzymes secreted by the intestinal cells.
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Understanding
+4 | -1
Facilated transport, facilitates the absorption of
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Correct option: D
Both (a) and (b)
Option D is correct because facilitated transport assists in the absorption of both fructose and amino acids across the small intestine's cell membranes.
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Understanding
+4 | -1
The ____ is primarily a storage chamber within the digestive system, while the ___ reabsorbs water, ions, and generates the faeces.
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Correct option: C
Stomach; hindgut
Option C (Stomach; hindgut) is correct because the stomach is primarily a storage chamber, and the hindgut reabsorbs water and forms feces.
30
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Remembering
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Which of the following is called as a detritivore?
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Correct option: A
An animal feeding on decaying organic matter
Option A (An animal feeding on decaying organic matter) is correct because detritivores are organisms that consume dead organic material.
Revision notes and key takeaways
Review DIGESTION AND ABSORPTION in your textbook or class notes, then use this set to check your understanding.
Key Takeaways
- ✓ This set contains 76 single-correct-answer MCQs on DIGESTION AND ABSORPTION.
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