Digestion And Absorption Questions

We provide digestion and absorption practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on digestion and absorption skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

Digestion And Absorption Questions

List of digestion and absorption Questions

Question NoQuestionsClass
1Which symptoms are commonly seen in case of diarrhea?
A. Blood in stool
B. Death
c. Blood clot
D. Nausea
11
2Duct of Wirsung is a duct of
A . Liver
B. Pancreas
c. Gall bladder
D. Duodenum
11
3A salivary gland
is
A. Brunners gland
B. Sublingual gland
c. Lacrimal gland
D. Adrenal gland
11
4Discuss on how to make orally active protein pharmaceutical. What is the major problem to be encountered?11
5The type of teeth used to tear a
sugarcane is
A. Incisors
B. Canines
c. Premolars
D. Molars
11
6The primary dentition in human differs from permanent dentition in not having one of the following type of teeth
A. Canine
B. Premolars
c. Molars
D. Incisors
11
7Bile pigments are formed in
A . Liver
B. Spleen
c. Every body partt
D. Both A and B
11
8In mammals, the digestion of starch
starts from
A. Mouth
B. Stomach
c. oesophagus
D. Duodenum
11
9Choose the correct statement for the
given structure shown in figure.
A. It is found in the small intestine
B. It is part of the large intestine.
C. It is necessary for protein digestion
D. It is part of the hepatic system
E. It is a flame cell.
11
10The absorption of minerals due to difference in the electropotential gradient without use of energy is?
A. Active absorption
B. Passive absorption
c. osmotic absorption
D. None of the above
11
11Name different types of teeth and their number in and adult human11
12A digestive enzyme, named amylase, in the saliva begins digestion of –
A. carbohydrates
B. fats
C. proteins
D. nucleic acids
11
13Number of teeth which are
monophyodont in man are
A . 4
B. 22
c. 32
D. 12
11
14The most important function of villi in
the small intestine is
A. To provide strength to the intestine
B. To provide space for capillaries and lacteals
C . To provide increased surface area for absorption of digested food
D. To provide habitat for bacteria
11
15The end products of protein digestion
are
A. monosaccharides
B. steroids
c. amino acids
D. fatty acids
11
16What is the substrate for lipase enzyme?
A. Protein
B. Lipid
c. carbohydrate
D. Nucleic acid
11
17Which one is the correct option for
labels ( A, B ) and ( C ) in the given diagram?
A. A- Liver, B- Mucosa, C- Peritoneum
B. A- Liver, B- Circular muscle layer, C- – serosa
D. A- Pancreas, B- Submucosa, C- – Serosa
11
18The hardest constituent of the tooth is
A. Enamel
B. Dentine
c. Bone
D. Pulp
11
19Bile secretion is proportional to the concentration of
A. Protein
B. Fatt
c. carbohydrate
D. None of the above
11
20What is nutrition? What is the mode of
nutrition in amoeba known as? Draw
diagram and explain.
11
21Assertion
The columnar epithelium lining the intestinal mucosa appears to have a
brush like an appearance.
Reason
A large number of microvilli are present
on brush bordered columnar
epithelium.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
22Give the function of HCl11
23Correctly arrange the parts of the
alimentary canal in descending order.
A. Mouth, oesophagus, stomach, intestine
B. Oesophagus, mouth, stomach, intestine
C. Intestine, mouth, stomach, oesophagus
D. Stomach, Intestine, mouth, oesophagus
11
24Which set of teeth help in grinding food?11
25Fill in the blanks with appropriate
words.
Digestion of ( ldots ldots ) begins in the mouth.
11
26The gall bladder temporarily stores bile.
A. True
B. False
11
27In humans, cellulose is digested in
A. The caecum
B. The colon
c. The appendix
D. Not digested at all
11
28What are the basic layers of the wall of
alimentary canal?
11
29Nutrition in Amoeba is
A. Holophytic
B. Holozoic
c. Saprophytic
D. Parasitic
11
30Which of the following portion of intestine is blind sac?
A. Caecum
B. Anus
c. colon
D. None of the above
11
31An enzyme which can only act in acidic medium is
A. Pepsin
B. Trypsin
c. Renin
D. Amylase
11
32Describe physiology of digestion in detail.11
33Bulk of the tooth in mammals is made
up of
A. Dentine
B. Enamel
c. Pulp cavity
D. Root
11
34Which of the following is correct regarding jaundice?
A. Skin turns yellow
B. Eyes turn yellow
c. Liver gets affected
D. All of these
11
35Salivary glands of cockroach open on
A . Maxilla
B. Hypopharnyx
c. Labium
D. Labrum
11
36Auerbach’s plexus are found in
A. Below dermis and made up of muscles
B. Outer to muscularis externa and made up of nerves
C. Below muscularis interna
D. Layer of podocytes in glomerulus of kidney
11
37Anxiety and eating spicy food together in an otherwise normal human may lead to
A. Indigestion
B. Jaundice
c. Diarrhea
D. Vomiting
11
38Which one of the following pairs of cells and their secretion is correctly
matched?
A. Oxyntic cells – a secretion with pH between 2.0 and 3.0
B. Alpha cells of islets of Langerhans – secretion that decreases blood sugar leve
c. Kupffer cells – a digestive enzyme that hydrolyses nucleic acids
D. None of these
11
39Kupffer cells are present in
A . Liver
B. Pancreas
c. Small intesine
D. Large intestine
11
40Which of the following in the blood stream is reduced most by excessive vomiting and diarrhoea?
A. Calcium
B. Sodium
c. Potassium
D. Iron
11
41Engulfing of food in solid or fluid state
is
A. Saprozoic nutrition
B. Parasitic nutrition
c. Saprophytic nutrition
D. Holozoic nutrition
11
42Insulin is made of
A. ( alpha ) chain of 21 amino acids and second ( beta ) chain of 30
amino acids
B. ( alpha ) chain of 31 amino acids and second ( beta ) chain of 20
amino acids
C. Disulphide linkages
D. Both A and C
11
43The function of bile is to
A. Activate pancreatic lipases
B. Emulsify fat droplets
C . Congeal fat droplets
D. Digest fats
E. Is produced in the pancreas
11
44The enzyme trypsinogen is secreted from
A. Duodenum
B. Pancreas
c. Liver
D. Stomach
11
45Pepsin acts in
A. Basic medium
B. Acidic medium
C. Neutral medium
D. All types of media
11
46Which of the following is true regarding the absorption mechanism of carbohydrates in the intestine?
A. Glucose is absorbed passively
B. Galactose is absorbed passively
c. Fructose is transported actively
D. Glucose and galactose are transported actively
11
47Which one of the following is a nonpathogenic bacteria of human intestines?
A. Mycobacterium sp.
B. Escherichia coli
c. Entamoeba coli
D. Balantidium coli
11
48LUTZ
122. Deficiency of vitamin B, causes the disease
(a) convulsions (b) beri-beri
(c) cheilosis
(d) sterility.
(AIP
11
49Villi are present in the intestine and not
in the stomach. Give reasons.
11
50Pancreatic juice is
A. Alkaline in nature
B. Acidic in nature
C. Contains variety of enzymes
D. Both A and C
11
51127. Vitamin C is
(a) citric acid
(c) paracetamol
(b) lactic acid
(d) ascorbic acid.
WRIA
11
52Fatty acid and glycerol are first taken up from alimentary canal by
A. villi
B. Blood capillaries
c. Hepatic portal vein
D. Lymph vessels
11
53The chyle contains
A. Proteins, starch, fats.
B. Peptones, starches, fats and HCI.
C. Amino acids, HCl, fats and starch.
D. Sugars, fatty acids, glycerol and amino acids.
11
54In order to manage energy resources within the cell, the potential energy of an electrochemical gradient must be coupled with endergonic (less favorable) processes. If the membrane that sustains the
concentration gradient is disrupted, what happens to the cell?
A. The energetics of the cell will not be affected and will continue functioning normally.
B. The gradient will be reversed but still able to support cellular activity
C. The loss of a concentration gradient reduces the potential energy of the cell and diminishes the ability to do work
D. The endergonic nature of the reduced gradient can be coupled to endergonic reactions such as the synthesis of ATP
11
55Short / Long answer type questions. Mention a cause and symptom of
constipation.
11
56Which of the following substance requires castle’s intrinsic factor
secreted by stomach for absorbtion in the small intestine?
A. Aminoacids
B. Water
c. Vitamin ( C )
D. Vitamin ( B_{12} )
11
57Why does the dental system in animals has different types of teeth?11
58In the lunch, you ate boiled green
vegetables, a piece of cooked meat, one boiled egg and a sugar candy. Which
one of these foods may have been digested first?
A. Boiled green vegetables
B. The piece of cooked meat
c. Boiled egg
D. sugarcandy
11
59Plant seed oil is obtained from
A. Saccharum munja
B. Arachis hypogea
c. Cicer areitinum
D. saccharum officinarum
11
60Secretion of which hormone is
stimulated by strong acid in stomach and intestine?
11
61The graph shows how the amount of digested food in the blood leaving the
small intestine changed after a student ate a meal. Explain.
11
62Crown of teeth is covered by
A. Dentine
B. Enamel
C. Both A and B
D. None of the above
11
63Which of the following terms describe human dentition?
A. Pleurodont, monophyodont, homodont
B. Thecodont, diphydont, homodont
c. Pleurodont, diphyodont, heterodont
D. Thecodont, diphyodont, heterodont
11
64The hardest substance in human body
is
A. Dentine
B. Collagen
c. Melanin
D. Enamel
11
65Following are enzymes present in the intestinal juice. Which among these is considered as non-digestive enzyme?
A. Nucleotidase
B. Aminopeptidase
c. Enterokinase
D. Lipase
11
66In man, small intestine is the place for
A. Digestion
B. Elimination
c. Degradatin
D. Absorption
11
67Select the wrong statement.
A. Rennin helps in digestion of fats.
B. Lacteals belong to Iymph vessels.
C. HCl makes the gastric pH 1 to 2.
D. If gastric lipase is present its function is very small.
11
68Wisdom tooth appears in a human being, when age is between
A. 4 to 8 years
B. 10 to 14 years
( c . ) 17 to 30 years
D. 30 to 40 years
11
69ZUTI
125. Which of the following is not a fat soluble vitamin?
(a) Vitamin B complex (b) Vitamin D
(c) Vitamin E
(d) Vitamin A
(AIDAT (Mainc
11
70Very short answer type. Name any two macronutrients and
state their importance in plant nutrition.
11
71If villis are absent in small intestine,
what will happen?
11
72Bile does not contain any enzyme, but it is essential for digestion.
A. True
B. False
11
73Incisor teeth in mammals are primarily
for
A. Weapons or for killing prey
B. Grinding and chewing food
c. cutting and slicing food
D. All of these
11
74In mammals, the teeth are
(i) Of different types
(ii) Embedded in the cup-like socket of the jaw bones
(iii) Only two sets, present throughout life
These conditions are referred as
A. Heterodont, thecodont and diphyodont
B. Thecodont, heterodont and diphyodont
c. Diphyodont, thecodont and heterodont
D. Heterodont, diphyodont and thecodont
E. Thecodont, diphyodont and heterodont
11
75Numbers of pairs of salivary glands present in rabbit are
A. one
B. Three
c. Four
D. Five
11
76The movement of mineral ions into
plant root cells as a result of diffusion is called:
A. Osmosis
B. Passive absorption
c. Active absorption
D. Endocytosis
11
77What percentage of amino acids is absorbed in the small intestine?
A . 15%
B. 30%
( c cdot 100 % )
D. 90-95%
11
78In human, teeth are
A. Homodont and polyphydont
B. Heterodont and polyphyodont
C. Homodant anddiphyodont
D. Heterodont and diphyodont
11
79Among mammals, an herbivore has
A. More teeth than carnivore
B. Flatter teeth than carnivore
C. Teeth that are more pointed than carnivore
D. Fever teeth than a carnivore
11
80The disease due to inflammation of
vermiform appendix of the digestive system is known as
A. Amoebic dysentery
B. Appendicitis
c. Intestinal cancer
D. Appendectomy
11
81The incisor tooth is meant for
A. Biting and cutting
B. Chewing
c. Munching and chewing
D. Munching
11
82Dentine is secreted by
A. Odontoblast
B. Elaioblast
c. osteoblast
D. Ehondroblast
11
83A person is suffering from long standing constipation. It is likely that
A. His intestinal bacteria will get killed by poisonous gases produced by accumulated faeces.
B. He will suffer from piles.
C. He will feel severe pain in the stomach due to accumulated faeces.
D. He will suffer from vitamin B deficiency as its absorption is inhibited.
11
84115. “Tocopherol’ is the chemical name of
(a) vitamin K
(b) vitamin E
(c) vitamin H
(d) vitamin D.
(AL
11
85Bile secreted by liver is normally stored in the
A . Gallbladder
B. Stomach
c. Small intestine
D. Large intestine
11
86The food we take in our body travels through a long and complex path. Which starts from mouth and ends at anus?
Which is the correct sequence of
process on food in digestive system?
A. Digestion ( rightarrow ) Absorption ( rightarrow ) Egestion ( rightarrow ) Ingestion
B. Ingestion ( rightarrow ) Egestion ( rightarrow ) Digestion ( rightarrow ) Absorption
c. Digestion ( rightarrow ) Ingestion ( rightarrow ) Absorption ( rightarrow ) Egestion
D. Ingestion ( rightarrow ) Digestion ( rightarrow ) Absorption ( rightarrow ) Egestion
11
87Passive absorption of mineral salts is not dependent on
A. Diffusion
B. Osmosis
c. Donnan equilibrium
D. Ionic exchange
11
88117. Cheilosis and digestive disorders are due to the
deficiency of
(a) ascorbic acid (b) pyridoxine
(c) thiamine
(d) riboflavin
(Karnataka CET)
11
89Read the following statements
regarding liver:
(A)Hepatic lobules are structural and functional unit of liver.
(B)Liver secreates bile, which contains
digestive enzymes
(C) Each hepatic lobule is covered by a thin epithetial tissue, called “Glisson’s capsule”
(D) Hepato-pancreatic duct is guarded by sphincter of Boyden. Correct statements regarding liver is/are:-
A. one
B. Two
c. Three
D. Four
11
90Which of the following statements are
correct?
This question has multiple correct options
A. Ducts of sub-mandibular glands are Wharton’s ducts.
B. Sub-maxillary glands are largest salivary glands.
C. Maximum saliva is produced by parotid gland.
D. VII cranial nerve suply to parotid salivary gland.
11
91Where are villi? What is their location
and function?
11
92The function of erepsin in the process of digestion is to convert
A. Fats into amino acids
B. Proteins in amino acids
c. Polysaccharides into saccharides
D. Disaccarides into monosaccharides
11
93Submucosa is thickest in
A. Stomach
B. Oesophagus
c. Pancreas
D. Rectum
11
94We chew the food with the
A . Teeth
B. Tongue
c. Mouth
D. None of the above
11
95Calcium and ( ldots . . . . . . . . ) gives rigidity to
bones and teeth
A. Oxalate
B. Pectate
c. carbonate
D. Phosphate
E. Sulphate
11
96ILIPO
130. Which is not fat soluble vitamin?
(a) Vitamin C
(b) Vitamin A
(c) Vitamin E
(d) Vitamin D
(UP CPM
11
97Very short answer type.
Enumerate the main functions of the
large intestine
11
98Animals which eat their own faeces are
called
A. Omnivorous
B. Herbivorous
c. coprophagus
D. Carnivorous
11
99Ejection of stomach contents through the mouth is called
A. diarrhoea
B. constipation
c. vomiting
D. indigestion
11
100Carnassial teeth, which are pointed molars, would most likely be part of the
dentition of a
A. human
B. cow
c. lion
D. hawk
11
101Which one of the following is specific function of the liver?
A. Excretion
B. Glycogenolysis
c. Digestion
D. Histolysis
11
102We eat food, which is composed of all
the nutrients like carbohydrates, proteins, fats, vitamins, minerals and water. After digestion, these are absorbed in the form of glucose, amino acids, fatty acids, glycerol etc. What mechanisms are involved in absorption of digested food and water?
A. Diffusion and osmosis respectively
B. Osmosis and diffusion respectively
c. Reverse osmosis and facilitated diffusion respectively
D. None of the above
11
103Choose the correct answers from the
alternatives given In mammals, mastication of the food is
done by
A. molars
B. premolars
c. incisors
D. canines
11
104Pancreatic juice is released into
A. Duodenum
B. Ileum
c. Stomach
D. Jeiunum
11
105toppr
Q туре your question
produced in liver cells. The production of AAT is dependent upon various hormonal stimuli. Human liver cells were cultured;
nalf the cultured cells were used to
measure the amount of AAT mRNA
present, and half were used to measure
the amount of AAT present.

Measurements were taken at five-minute
ntervals following hormonal stimulation of the cells. Figure 1 shows the results of
this experiment. This experiment was
repeated by the addition of an inhibitor of protein synthesis along with the hormone and its result is shown in figure
2. The figure 2 shows that the AAT is a/an
Figure
Minutes after hormone added
Figure 2
A. Protein
B. Hormon
c. Lipid
D. Inhibito
E. Amino acid

11
106Which of the following cell does not secrete hormone?
A. Kupffer cell
B. Leydig cell
c. Lutein cell
D. Parafollicular cells of thyroid
11
107121. Vitamin C helps in absorption of
(a) V
(b) Fe
(c) Sc
(d) Ti
11
108Paneth cells are found in
A . Liver
B. Stomach
c. Intestine
D. Kidney
11
109The ‘ ( C^{prime} ) shaped structure of alimentary
canal is
A. Stomach
B. Oesophagus
c. Duodenum
D. Vermiform appendix
11
110The soft, sticky layer formed on the tooth which is harmful is
A. Enamel
B. Plaque
c. Dentine
D. Pulp
11
111Which among the following are the symptoms of diarrhoea?
A. Sunken eyes
B. Dehydration due to loose motions
c. Dry mouth and lips
D. All of the above
11
112Fundamental building blocks of proteins containing an amino group
( left(N H_{2}right) ) and a carboxyl group (COOH) at the alpha carbon atom
11
113The number of basic layers of inner wall of the alimentary canal is
A. one
B. Two
c. Three
D. Four
11
114Large intestine has
A. Large lumen
B. Large length
c. Large Diameter
D. A and C
11
115Name the two parts of the alimentary canal where fat is digested.11
116124. Anaemia is caused by the deficiency of vitamin
(a) B6 (b) B. (c) B2 (d) B12
(e) C
(Kerala PMT)
11
117All of the following symptoms are found in jaundice except
A. Disorders of hepato-billary system
B. Abnormal secretion of pancreatic and gastric juices
c. Bile duct obstruction
D. Anaemia
11
118Ammonia is the end product of
A. Glucose breakdown
B. Fatty acid metabolism
C. Protein metabolism
D. Breakdown of biogenic amines
11
119Which food substance is absorbed
during digestion?
A. Carbohydrates
B. Proteins
c. Vitamins
D. Fats
11
120Intake of food is called
A. Ingestion
B. Egestion
c. Digestion
D. Nutrition
11
121Saliva has the enzyme
A. Pepsin
B. Ptyalin
c. Trypsin
D. Rennin
11
122The folds of Kerkring are developed in
A. Duodenum
B. Jejunum
c. Ileum
D. Large intestine
11
123Cells of the pancreas is not digested by their own enzymes because
A. Enzymes are secreted in inactive form
B. Cells are lined by mucous membrane
c. Enzymes are released only when needed
D. None of the above
11
124Digestion of protein is completed in
A. Stomach
B. Duodenum
c. lleum
D. Duodenum and ileum
11
125After surgical removal of an infected
gall bladder, a person must be especially careful to restrict dietary
intake of
A. Starch
B. Protein
c. sugar
D. Fatt
11
126State the differences between:
Decay and putrefaction
11
127Assertion
Acini of pancreas release three major
enzymes and Islet of Langerhans two important hormones.
Reason
Pancreas, the second largest gland is a heterocrine gland.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
128Which of the following is not true for the care of teeth?
A. we should not chew the food
B. We should not eat too many sweets.
c. we should brush twice a day.
D. we should eat raw fruits and vegetables
11
129The wall of rectum lacks
A. Muscularis mucosa
B. Lamina propria
C. Multicellular glands
D. taeniae
11
130In human teeth, which of the
following helps in cutting?
A. Wisdom tooth
B. Incisor
c. Molar
D. Premolar
11
131The vermiform appendix is situated at the junction of
A. Large intestine and small intestine
B. Small intestine and duodenum
c. Anus and rectum
D. Stomach and duodenum
11
132pH of stomach in rabbit is about
A. 7
B. 2
( c cdot 8 )
D. 11
11
133Short / Long answer type questions. How does the absorption of nutrients take place? Discuss the role of blood and lymph vessels11
134Which of the following lacks proteins?
A. Pancreatic juice
B. Saliva
c. Bile
D. Intestinal juice
11
135A person took spoiled food. This would happen in him.
A. Vomiting sensation
B. Belching
c. Burning in chest and throat
D. All above
11
136Which of the following substances can be assimilated unchanged?
A. Vitamin
B. Proteins
c. starch
D. Lipids
11
137Both the crown and root of a tooth is
covered by a layer of bony hard
substance called as
A. Enamel
B. Dentine
c. Bony socket
D. Cementum
11
138How does the bile help in the digestion
of fat?
11
139In humans, bile juice is secreted by
A. Pancreas
B. Small intestine
c. Esophagus
D. Liver
11
140Which does not pertain to facilitated transport
A. High selectivity
B. Transport saturation
c. Uphill transport
D. Requirement of special membrane
11
141The teeth used to grind are marked as
( A cdot C ) and ( D )
3. A and B
( c . ) D and
D. D and E
11
142An adult has – ………….. teeth.
A . 20
B. 24
( c cdot 28 )
D. 32
11
143What will happen if the secretion of parietal cells of gastric glands is
blocked with an inhibitor?
A. In the absence of HCI secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
B. Enterokinase will not be released from the duodena mucosa and so trypsinogen is not converted to trypsin.
c. Gastric juice will be deficient in chymosin
D. Gastric juice will be deficient In pepsinogen
11
144Name the types of teeth and salivary glands found in humans.11
145Enzyme pepsin acts upon food at a pH
of approximately
A. 2 to change proteins into peptones
B. 7 to change proteins to peptones
C. 2 to change proteins into amino acids
D. 4 to change protein into proteoses
11
146The function of villi in the intestine is
A. Digestion of food
B. To increase the absorption efficieny of the nutrients
c. control of intestinal movement
D. Hindrance in the movement of food
11
147The study of teeth is called as
A. Dentistry
B. Dermatology
c. Neurology
D. Cardiology
11
148In the wall of alimentary canal, which is correct sequence from outer to inner?
A. Serosa, longitudinal muscle, mucosa, sub mucosa
B. Mucosa, serosa, long muscle
c. serosa, long muscle, circular, sub-mucosa, mucosa
D. Serosa, Iong muscle, sub-mucosa, mucosa
11
149The major site of absorption in alimentary canal is
A. Duodenum
B. Stomach
c. Ileum
D. Large intestine
11
150Which of the following is a soft material
in the tooth?
A. Dentine
B. Pulp
c. Enamel
D. Root
11
151Pulp cavity of teeth is lined by
A. Odontoblast
B. chondroblast
c. osteoblast
D. Amyloblast
11
152If this enzyme were to be absent in our small intestine, digestion of proteins in our body would be severely affected.
A. Pancreatic amylase
B. Maltase
c. Lipase
D. Enterokinase
11
153The special feature of bile juice is that
it
A. Has no enzyme
B. Has amylase
c. contains lipase
D. contains ( mathrm{H}_{2} ) 0
11
154The dentition of higher organisms corresponds to which of the following structure of cockroaches?
A. Labium
B. Mandibles
c. Labrum
D. Hypopahrynxx
11
155Dental formula for the monophyodont teeth of human is
A ( cdot frac{0021}{0021} )
В. ( frac{0003}{0003} )
c. ( frac{2120}{2120} )
D. ( frac{2102}{2102} )
11
156Ileum is
A. First part of the small intestine
B. Middle part of the small intestine
C. Last part of the small intestine
D. Not a part of the small intestine
11
157Write difference between ingestion and digestion11
158Human dentition is described as
A. Heterodont, diphyodont and thecodont
B. Heterodont, monophyodont and thecodont
C. Heterodont, diphyodont, thecodont and bundodont
D. Heterodont, polyphyodont and pleurodont
11
159If a person is adviced to intake ORS, it
means he is suffering from
A. Typhoid
B. Jaundice
c. Diarrhoea
D. Measles
11
160State the function of saliva.11
161Assertion
Large intestine also shows the presence of villi, like small intestine.
Reason
Absorption of water and some salts are
done by the inner wall of the large intestine.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct
11
162119. Cheilosis and digestive disorders are due to the
deficiency of
(a) vitamin A
(b) thiamine
(c) riboflavin
(d) ascorbic acid
(e) pyridoxine.
(Kerala PMT)
11
163Identify following ( A, B & C ) structures in
given diagram:-
A. ( A ) – Right lobe, ( B ) – Left lobe ( C ) – Diaphragm
B. A – Left lobe, B – Right lobe C – Diaphragm
C. A – Diaphragm, B – Left lobe C – Right lobe
D. A – Diaphragm, B – Right lobe C – Left lobe
11
164The digested food is absorbed by the of the small intestine.
A. Vill
B. Rugae
c. taenia coli
D. None of the above
11
165Amount of water in enamel is
A. ( 90-92 % )
B. 75 – 80%
c. ( 40-50 % )
( mathbf{D} cdot approx 3 % )
11
166Carnassial teeth are modified for
A. Crushing
B. Tearing
c. Grinding
D. cutting
11
167What is nutrition? Describe nutrition in
a moeba. (Draw diagram)
11
168The part of the alimentary canal that
starts from the middle segment of clitellum and extends up to the last
segment is
A. Stomach
B. Gizzardd
c. Intestine
D. Rectum
11
169Which of these possesses good regenerating power
A. Brain
B. Kidney
c. Lung
D. Liver
11
170Which part of the body contains teeth?
A. Buccal cavity
B. Body cavity
c. Both A and B
D. Tooth cavity
11
171Match the following.
( begin{array}{ll}text { A. Incisors } & text { 1. Grinding teeth } \ text { B. Canines } & text { 2. Cracking teeth } \ text { C. Premolars } & text { 3. Cutting teeth } \ text { D. Molars } & text { 4. Tearing teeth }end{array} )
( A cdot A-2, B-4, C-1, D-3 )
B. A- 2, B-1 , C-4, D-3
C ( . A-3, B-2, C-4, D-1 )
D. A- 3, B-4, C-2, D-1
11
172Dentine is
A. Hard, protective covering on the tooth.
B. The cavity which contains nerves and blood vessels in a tooth.
C. Covering beneath the enamel.
D. The nerve that connects tooth and the brain.
11
173Preventive measures of constipation is
A. High fibre diet
B. Vaccination
c. Antacids
D. None of the above
11
174Epidemic jaundice can occur in which of the following conditions?
A. Hepatitia A
B. Hepatitia B
c. Hepatitia c
D. Hepatitia D
11
175Mention any two ways in which digested food is utilized by the body.11
176The undigested, semisolid food is called
A. Anus
B. Faeces
c. Rectum
D. vill
11
177Deoxyribonuclease and ribonuclease
are secreted by
A. Liver
B. Stomach
c. Pancreas
D. Kidney
11
178lleum is characterised by the presence
of
A. Brunner’s glands and villi
B. Brunner’s gland and Peyer’s patches
c. Peyer’s patches and villi
D. Brunner’s gland and Taeniae coili
11
179Cavity present in the tooth is called as
A. Pulp cavity
B. Nasal cavity
c. Abdominal cavity
D. chest cavity
11
180The mucosal lining of the oesophagus of mammals is made up of
A. Simple columnar epithelium
B. Squamous epithelium
c. Stratified cuboldal epithelium
D. Stratified columnarepithelium
11
181Mention any two structural features of
the small intestine which add to its
absorptive capacity
11
182Explain human digestive system so as to explain the phenomenon of absorption, Assimilation and Egestion.11
183Give the proper term for the following:
Finger-like projections of the smal intestine.
11
184What is the length of small intestine in
an adult human being?
A. ( 3.5 mathrm{m} )
B. ( 6.5 mathrm{m} )
c. ( 4.5 mathrm{m} )
D. 2.5 ( m )
11
185Read the following fours statements toD) about chylomicrons?
A. Chylomicrons are produced in the lumen of small intestine
B. Chylomicron contains triglycerides, cholesterol and phospholipids
C. Chylomicron is protein free small vesicles
D. Chylomicron released from the lacteal% into epithelial cells
How many of the above statements are
correct?
A. Four
B. One
c. Two
D. Three
11
186One of the following is not a common disorder associated with digestive
system.
A. Tetanus
B. Diarrhoea
c. Jaundice
D. Dysentery
11
187What is nutrition? Explain with
diagram the process of nutrition in Amoeba.
11
188Find the correctly matched pair.
A. Pepsinogen – Zymogenic cells
B. HCI – Goblet cells
C. Mucous – Oxyntic cells
D. Pancreatic juice – Salivary gland
E. Ptyalin – Acinar cells
11
189Taste buds for bitter taste are found on
tongue at
A. Tip
B. On basal surface
c. Posterior part
D. Lateral sides
11
190Maximum number of enzymes are
found in
A . Herbivores
B. Carnivores
c. Omnivores
D. None of these
11
191In the human digestive system, digestion occurs in
(a) Buccual cavity
(b) Stomach
(c) Small intestine
(d) Large intestine
A . (a) only
B. (a) and (b) only
( c cdot(b),(c) ) and ( (d) ) only
D. ( (a),(b) ) and (c) only
11
192How many teeth in man grows twice in life?
A . 32
B. 28
( c cdot 20 )
D. 12
11
193Describe the process of assimilation of
food.
11
194In old age, problems like indigestion, constipation and gases are caused because of
A. Number of taste buds decreases
B. Amount of digestive juices decreases
c. Muscular strength reduces
D. All of the above
11
195Succus entericus is secreted by
A. Peyer’s patch
B. Crypts of Lieberkuhn
C. Auerbach’s plexus
D. Brunner’s glands
11
196The bacteria live in the large intestine of
human are
A. Bifidobacterium
B. Methanogens
c. Lactobacillus
D. All of the above
11
197The type of food which starts digesting in stomach is
A. Fats
B. Carbohydrate
c. Protein
D. All of the above
11
198The location of villi is:
A. Large intestine
B. Small intestine
c. Stomach
D. None of the above
11
199Assertion
The driving force for passive absorption is non metabolic in origin.
Reason
The driving force for active absorption is energy derived from metabolic
processes.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct
11
200Describe the characteristics of salivary
glands and gastric glands.
11
201What will happen if the bile duct is choked?
A. Acidic chyme will not be neutralizedd
B. Little absorption of fat will occur
c. Little digestion of carbohydrates will occur in the intestine
D. Faeces will become dry
11
202Explain arrangement of human teeth.11
203Number of teeth in man which grow
twice are
( A cdot 4 )
B. 8
c. 12
D. 28
E. 20
11
204Identify the symptoms of indigestion.
A. Fever
B. Bloating
c. Growling stomach
D. Both B and C
11
205A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
A. Molars
B. Incisors
c. canines
D. Pre-molars
11
206Small intestine receives secretions
from the
A. Only liver
B. Only pancreas
c. Both A and B
D. None of the above
11
207Sub-mucosal layer of stomach consists
of
A. Nerves, Blood vessels and Lymphatic vessels
B. Lymphatic vessels, Oxyntic cell, Blood vessels and Glands
C . Zymogen cell, Nerve, Glands, Blood vessels and Lymphatic vessels
D. Blood vessels, Lymphatic vessels, Nerve and Hepatic cells
11
208Which one of the following enzyme is absent in invertebrates?
A. Pepsin
B. Trypsin
c. Lipase
D. Amyalase
11
209Undigested food or thyme does not pass through
A. pancreas
B. duodenum
c. large intestine
D. stomach
11
210Pepsin is produced by
A. Salivary glands
B. Stomach
c. Duodenum
D. Small intestine
11
211If you chew a piece of bread for a long time it tastes sweet. Why?11
212Differentiate between.
Parasite and saprophyte
11
213Chymotrypsin is produced by
A . Liver
B. Pancreas
c. stomach
D. Duodenum
11
214Which of the following substances are not absorbed into the lymphatic
system?
A. Fatty acids
B. Glycerol
c. Fat soluble vitamins
D. water soluble vitamins
11
215Mumps is caused by ………… virus.11
216A diastema:
A. Is a gap between two teeth
B. Appears due to the absence of canine teeth in herbivores
C. May occur in humans
D. Is related to more than one option given above
11
217High molecular weight polymers consisting of monosaccharide-
repeating units (monomers).
11
218In vertebrates, lacteals are found in
A . Ileum
B. Ischium
c. oesophagus
D. Ear
11
219Spiral valves are found in
A. Walls of cystic ducts (spleen)
B. Walls of cystic duct (gall bladder)
C . Hepatic duct (liver)
D. Common bile duct
11
220Jaundice is due to
A. Excessive intake of curcuma
B. Excessive intake of Sugar
c. Pork
D. Contaminated water
11
221One of the constituents of the
pancreatic juice, which is released into the duodenum of a man is
A. Trypsin
B. Chymotrypsin
c. Trypsinogen
D. Both B and C
11
222What is mastication? Explain about the teeth used in mastication11
223Match the following.
( begin{array}{ll}text { 1. Incisors } & text { a. Grinding teeth } \ text { 2. Canines } & text { b. Cracking teeth } \ text { 3. Premolars } & text { c. Cutting teeth } \ text { 4. Molars } & text { d. Tearing teeth }end{array} )
( A cdot 1-b, 2-d, 3-a, 4-c )
B. ( 1-b, 2-a, 3-d, 4-c )
( c cdot 1-c, 2-b, 3-d, 4-a )
D. ( 1-c, 2-d, 3-b, 4-a )
11
224Bile juice is secreted from
A. Salivary glands
B. Intestinal glands
c. Stomach
D. Liver
11
225Choleresis means release of
A. Gastric juice
B. Bile
c. Intestinal juice
D. Pancreatic juice
11
226Vermiform appendix is made up of
A. Respiratory tissue
B. Excretory tissue
c. Lymphatic tissue
D. Digestive tissue
11
227The number of teeth that grow twice in
human life is
A . 4
B. 12
( c cdot 20 )
D. 28
11
228Briefly explain any three disorders of
digestive system?
11
229In which of the following organ of man, Entamoeba histolytica is found?
A. Rectum
B. Oral cavity
c. Stomach
D. Intestine
11
230The inactivated enzymes present in
digestive tract like pepsinogen is an inactive form of pepsin. Such
substances are called
A. Zymogens
B. Catalyst
c. Holoenzyme
D. Activators
11
231( gamma ) -globulins are synthesized inside
A. Liver
B. Kidney
( c . ) Bone
D. Thyroid
11
232The function of enzyme trypsin is to
A. Breakdown fats
B. Breakdown proteins
C . Synthesise proteins
D. Breakdonwn carbohydrates
11
233Match the names of diseases with the
meanings given. Choose the answer
which gives the correct combination of
the alphabets of the two columns.
begin{tabular}{llll}
List I & multicolumn{3}{c} { List II } \
A. & Jaundice & 1. & Allergic inflammation of nose & Loss of motor functions \
B. & Stenosis & 2. & Heart valve defect \
C. & Rhinitis & 3. & Increase in bile pigments in the blood \
D. & Paralysis & 4. & Septal defect of \
& & & heart
end{tabular}
( mathbf{A} )
( A-3, B-5, C-1, D-2 )
2
B. A- 4, B-3, C-1, D-2
C. ( A-4, B-3, C-2, D-1 )
D. ( A-3, B-4, C-1 )
( D )
11
23432. Teeth and Bones acquire strength
and rigidity from
(1) Calcium (2) Fluorine
(3) Chlorine (4) Sodium
11
235Strongest proteolytic enzyme is released by ………….. part of alimentary canal
A . lleum
B. Pancreas
c. stomach
D. Liver
11
236(a) What product is released after the first step of glucose breakdown? Where does it take place?
(b) How are the small intestines
designed to perform absorption of food?
11
237What is the difference between feeding and nutrition?11
238The lining of the stomach is protected
by
A. Hydrochloric acid
B. Mucous
c. Digestive juicies
D. None of the above
11
239Diarrhoea:: Constipation :: Enteritis::
A . Diarrhoea
B. Typhoid
c. Tetanus
D. Malaria
11
240Identify the correctly matched structure and its secretion
A. Brunner’s gland – Salivary amylase
B. Intestinal mucosa – Insulin
c. Gall bladder – Bile
D. Salivary gland – Lysozyme
11
241Bruners gland are characteristic feature of
A. Jejunum of small intestine
B. Ileum
c. Duodenum
D. Fundic region stomach
11
242Which of the following is not the function of large intestine?
A. Absorption of water
B. Nutrient absorption
c. secretion of mucus to lubricate faeces
D. Temporary storage faeces in rectum
11
243Excretion of bile pigments in the urine
indicates
A. Anaemia
B. Diabetes
c. Rickets
D. Jaundice
11
244Diastema is
A. A part of pelvic girdle in rabbit.
B. A type of tooth in rabbit.
C. Space in teeth lines in some mammals.
D. Structure in eye of rabbit.
11
245No energy is required in the absorption
of water through
A. Passive absorption
B. Active absorption
c. Both passive and active absorption
D. None of the above
11
246Serous glands located on the tongue are
A. Paratoid gland
B. Sublingual gland
c. von Ebner’s gland
D. All of the above
11
247Animals that feed on organic matter through mud are
A. Myrmacophagous
B. Detritivorous
c. saprophytic
D. coprophagous
11
248120. Cobalt containing vitamin is
(a) Vitamin B2 (b) Vitamin B6
(c) Vitamin B12 (d) Vitamin BA
(UP
11
249In Colon, constrictions of the wall form a series of small pockets called
A. Haustra
B. Crypts of lieberkuhn
c. zymogen cells
D. Taenial
11
250The teeth present in humans are
A . Milk teeth
B. Permanent teeth
c. Deciduous teeth
D. All of the above
11
251Explain the digestion of proteins in small intestine?11
252Grinding and chewing teeth are called
as
A. Premolars
B. Canines
c. Incisors
D. Molars
11
253Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of
A . Five
B. Three
c. Two
D. Eight
11
254Water is largely absorbed in
A. Stomach
B. Oesophagus
c. Small intestine
D. Colon (large intestine)
11
255The major reason for tooth decay are
A. Chocolates
B. Sweets
c. cold drinks
D. All of the above
11
256Gastric glands, crypts of Liberkuhn, goblet cells are formed by
A. Mucosa
B. Epithelial lining of Mucosa
c. Sub-mucosa
D. Serosa
11
257Grandpa lost his teeth that could never be replaced naturally because they were
A. Permanent teeth
B. Milk teeth
c. Both A and B
D. None of the above
11
258The lymph vessel which aids in absorption and distribution of fats is
A. Lacteal
B. Vill
c. Rugae
D. Vene cava
11
259Which of the following causes indigestion?
A. Ulcer
B. Thyroidism
c. Pancreatitis
D. All of the above
11
260The largest salivary gland present in human is
A. Submandibulargland
B. Sublingual gland
c. Parotid gland
D. Gastric gland
11
261One of these have no specific function in a rabbit.
A. Caecum
B. Colon
c. vermiform appendix
D. sacculus rotundus
11
262Crypts of Lieberkuhn occur in
A. Pancreas and secrete pancreatic juice
B. Small intestine and secrete digestive enzymes
C. Stomach and secrete dilute hydrochloric acid
D. Stomach and secrete pepsin
11
263is the longest part of the alimentary
canal
A. Duodenum
B. Ileum
c. colon
D. Large intestine
11
264Which set of human teeth help in cutting food?
A. Canine
B. Incisor
c. Molar
D. Premolar
11
265Digested food after absorption comes
into
A. Heart
B. Lungs
c. Blood
D. water
11
266Write a short note on digestion of fats in human body.11
267About how much saliva does a person
produce each day?
A . ( 100 mathrm{ml} )
B. 1 to 2 litre
c. ( 500 mathrm{ml} )
D. 250 m1
11
268Name the organ which performs the following function in humans
(a) Absorption of digested food
(b) Absorption of water
11
269Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?
A. Small intestine: ( rightarrow ) Proteins Pepsin Amino acids
B. Stomach : rightarrow Fats Lipase Micelles
c. Duodemum: ( rightarrow ) Triglycerides Trypsin Monoglycerides
D. small intestine : ( rightarrow ) Starch Amylase Disaccharide (Maltose)
11
270Teeth are the only part of the digestive
system that physically breaks down food.
A. True
B. False
11
271In Rabbit and Hare, the incisors of upper and lower jaw halves are
( A cdot 1 / 1 )
B. 2 / 1
( c cdot 2 / 2 )
D. 2 /
11
272Who discovered lacteal?
A. Franklin
B. Priestley
C. Benda
D. Gaspare Aselli
11
273Fat is digested in the
A. Large intestine
B. spleen
c. Mouth
D. Small intestine
11
274If you chew on a piece of bread long enough, it will begin to taste sweet because
A. maltase is breaking down maltose
B. lipases are forming fatty acids
c. amylase is breaking down starches to disaccharides
D. disaccharides are forming glucose
11
275The predominant antibody in saliva is
A . ( lg G )
B. ( lg A )
c. ( lg ) m
D. IgD
11
276Teeth that are different in shape, size and function are called as
A. Acrodont
B. Pleurodont
c. Homodont
D. Heterodont
11
277Brush border of small intestine cells is
formed of
A. Microvilli
B. cilia
c. vill
D. circular folds
11
278The total islets of Langerhans in human
pancreas are
A. 1 million
B. 2 million
( c .5000 )
D. 1000
11
27938. Emulsification is
(1) breaking fats into small glob
ules
(2) digestion of fats
(3) absorption of fats
(4) storage of fats
11
280Which teeth are different in shape, size
and function then these are called as
A. Acrodont
B. Pleurodont
c. Homodont
D. Heterodont
11
281Discuss the different type of teeth along
with their structures and functions.
11
282Very short answer type.
Name three enzymes of small intestine, which catalyze the hydrolysis of carbohydrates
11
283Consider the statements.
A. ‘Oral Rehydration Solution’ (ORS)
should be given to cholera or diarrhoea patients at regular intervals.
B. Poliovirus is transmitted through
food or water and ultimately affect
central nervous system.
C. E.coli and Shigella bacteria are responsible for diarrhoea disease.
D. Rhinoviruses are responsible for
common cold.
The correct statements are
A. A and D
B. A and B
( c cdot A, C ) and ( D )
D. All of the above
11
284Diastema is associated with
A. Presence of certain teeth
B. Absence of certain teeth
c. Absence of tongue
D. Presence of tongue
11
285Ammonia formed during digestion is processed in
A. Liver
B. Small intestine
c. Large intestine
D. Stomach
11
286Very short answer type. Mention the most significant function/role of rennin11
287Brunner’s gland are characteristic of
A. Submucosa of duodenum
c. Submucosa of stomach
D. Mucosa of colon
11
288Which of the following organs absorbs food nutrients through villi?
A. Small intestine
B. Oesophagus
c. Rectum
D. Stomach
11
289118. Which vitamin is fat soluble?
(a) Thiamine
(b) Niacin
(c) Riboflavin
(d) Tocopherol
(UP
11
290State the function of bile.11
291What is common among amylase,
rennin and trypsin?
A. These are produced in stomach
B. These act at a pH lower than 7
C. These all are proteins
D. These all are proteolytic enzymes
11
292Choose the correct answers from the
alternatives given

Succus entericus is the name given to
A. a junction between ileum and large intestine
B. intestinal juice
c. swelling in the gut
D. appendix

11
293With the help of a diagram, describe how food gets digested and assimilated in the human digestive system.11
294Match the enzymes with their
respective substrates and choose the
right one among options given.
Column II
Dipeptides begin{tabular}{c|c|c}
& Column I \
hline A. & Lipase \
hline B. & Nuclease \
hline C. & Carboxypeptidase \
D. & Dipeptidases \
hline
end{tabular} Fats Nucleic
acids Proteins,
peptones
and
proteoses
A. A-(ii), B-(iii), C-(i), D-(iv)
B. A-(iii), B-(iv), C-(ii), D-(i)
C. A-(iii), B-(i), C-(iv), D-(ii)
D. A-(ii), B-(iii), C-(iv), D-(i)
11
295Explain why lactose is not absorbed by the small intestine11
296Glisson’s capsule is associated with
A. Liver
B. Pancreas
c. Lungs
D. Kidney
E. Adernal glands
11
297Which of the following is used as antiemetic?
A. Antihistamine
B. Antibiotic
c. calcitonine
D. None of the above
11
298What is meant by dentition?11
299What is mucus membrane?11
300Maximum number of teeth found in
placental mammals is
A . 32
B. 54
( c cdot 44 )
D. 22
11
301Which set helps in tearing food?11
302Cells of the liver manufacture
A. Diastase
B. Amylase
c. Lipase
D. Insulin
E. None of the above
11
303Jaundice is a disease of
A. Kidney
B. Liver
c. Pancreas
D. Duodenum
11
304Choose the correct answers from the
alternatives given.
The villi present on the wall of the small
intestine
A. secrete digestive enzymes
B. increase the surface area for absorption
c. hold mucus, so ulcers do not form
D. hold products of digestion, so they do not enter the large intestine
11
305The various kinds of teeth present in human beings are
A. Premolars and canines
B. Molars and incisors
c. Muscular pharynx and molars
D. Incisors, canines, premolars and molars
11
306Lacteal present in the villi of the small intestine
A. Help to absorb fatty acids and glycerol
B. Secrete enzymes for digestion
c. secrete hormones
D. Help to absorb proteins
11
307Which one of the following statements
is true regarding digestion and absorption of food in humans?
A. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like ( N a^{+} )
B. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
C. About ( 60 % ) of starch is hydrolysed by salivary amylase in our mouth
D. Oxyntic cells in our stomach secrete the proenzyme pepsinogen
11
308Which cells of the body are responsible for obesity and why?11
309If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?
A. Proteins breaking down into amino acids.
B. Starch breaking down into sugars.
c. Fats breaking down into fatty acids and glycerol
D. Absorption of vitamins
11
310Assertion
Thick layers of muscles are present in the wall of alimentary canal.
Reason
These muscles help in the mixing of food materials with the enzymes
coming from different glands in the alimentary canal.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
311Very short answer type. From the following description of teeth pattern, give the likely feeding habit of the animal to which it belongs: incisors, well developed canines, sharply cusped
premolars, and reduced numbers of molars.
11
312123. Which of the following is a vitamin?
(a) Ascorbic acid (b) Salicylic acid
(c) Nitric acid
(d) Benzodic acid
11
313The diagram of the large intestine of
man is given above. Identify the parts
labelled ( A, B, C, D, E ) and ( F )
A. A- sigmoid colon, B- Vermiform appendix, CAscending colon, D- Transverse colon, E- Descending colon, F-Caecum.
B. A- Caecum, B- Vermiform appendix, C- sigmoid colon
D- Ascending colon, E- – Transverse colon, F- Descending colon
C. A- Caecum, B- Vermiform appendix, C- Ascending colon, D- Transverse colon, E- Descending colon, FSigmoid colon.
D. A- Sigmoid colon, B- Vermiform appendix, CDescending colon, D- – Transverse colon, E- Ascending colon, F- Caecum
11
314Which one of the following is not a constituent of saliva?
A. Bicarbonate
B. Lysozyme
c. Glucose
D. Immunoglobulin
11
315Pancreatic lipase acts upon
A. Glycogen
B. Triglycerides
c. Disaccharides
D. Polypeptides
11
31634. The Sigmoid Colon is part of
(1) Small Intestine
(2) Anal Canal
(3) Large Intestine
(4) lleum
11
317Glisson’s capsules are present in
A . Liver
B. Lung
c. Kidney
D. Stomach
11
318Which of the following are the symptoms of diarrhoea?
A. skin tenting and abdominal pain
B. Pain in legs
c. Heart attack
D. All of the above
11
319In which of the following parts of the alimentary canal does absorption of nutrients and drugs takes place?
A. Mouth
B. Stomach
c. Small intestine
D. All of the above
11
320Which of the following statements is
false?
A. The breakdown of most of biomacromolecules occurs in duodenum.
B. Simple substances (digested foods) are absorbed in the jejunum and ileum.
C. Significant digestive activity occurs in large intestine.
D. Undigested and unabsorbed substances are passed on to the large intestine.
11
321Anxiety and eating spicy food together in an otherwise normal human, may
lead to
A. Diarrhoea and vomiting
B. Hepatitis
c. Indigestion
D. Jaundice
11
322Premolar are absent in
A. Adult teeth in man
B. Mammalian teeth in general
C. Permanent teeth of man
D. Deciduous teeth of man
11
323The lower jaw consists of single bone is known as
A. Mandible
B. Alveoli
c. Pterygoid
D. Maxilla
11
324Stool of a person is whitish grey coloured due to malfunction of which of
the following organs?
A. Pancreas
B. Spleen
c. Kidney
D. Liver
11
325Eye teeth are
A. Upper incisors
B. Lower incisors
C. Lower canines
D. Upper canines
11
326Calcium absorption is always enhanced by the action of the following vitamin
( A cdot ) Vitamin A
B. Vitamin B
c. Vitamin D
D. Vitamin K
11
327Give the function of Saliva in digestion.11
328Diarrhea through food can be avoided by
A. Eating raw food
B. Refrigerating the food
c. Thawing of food again and again
D. None of the above
11
329The teeth used for biting and cutting
food are called as
A. Molars
B. Premolars
c. canines
D. Incisors
11
330A digestive enzyme, salivary amylase, in the saliva being digestion of
A. Protein
B. Nucleic acids
c. Fats
D. Carbohydrates
11
331Bile pigments are formed in
A . Liver
B. Spleen
c. Every cell
D. Both A and B
11
332The teeth present after the age of 8 -12 is called as
A. Milk teeth
B. Temporary teeth
c. Permanent teeth
D. Both A and C
11
333State whether the following statements
are true or false.

Digestive enzymes are secreted in an inactive form in the alimentary canal
A. True
B. False

11
334Explain the activity which you performed to know that the stomach is protected from the damage being caused by secretion of its own acid?11
335Duodenum, jejunum and ileum are the parts associated to
A. Stomach
B. Small intenstine
c. Large intenstine
D. colon
11
336In mammals, which of these causes the
production of toxic products and foul smelling gases during digestion?
A. Bacteria in large intestine
B. Digestive juices
c. Digestive enzymes
D. All of the above
11
33783. Which of the following enzymes helps in digestion of
proteins?
(a) Invertase
(b) Trypsin
(c) Tyrosinase
(d) Urease (J & K CET)
11
338Brunner’s glands are present in the
A. Stomach
B. Pancreas
c. Small intestine
D. oesophagus
11
339Assertion
Escherichia coli lives in a symbiotic relationship in the colon of the human body
Reason
The bacterium produces vitamins which are absorbed by the wall of colon into the blood stream
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
340Which of the following is a soft material
in the tooth?
A. Root
B. Dentine
c. Pulp
D. crown
11
341In the gastrointestinal tract, the Meissner’s plexus and the Auerbach’s
plexus occur respectively in the
A. Lamina propria and muscularis mucosa
B. Submucosa and muscularis externa
c. Submucosa and mucosa
D. Mucosa and muscularis extema
11
342Starch digestion begins in
A. Small intestine
B. Large intestine
c. Stomach
D. Esophagus
E. Mouth
11
343Which of the following part/s of the human digestive system involves both chemical and mechanical ways of
digestion?
A. Oesophagus
B. Stomach
c. Mouth
D. Both B and C
11
344Entamoeba gingivalis lives in the
A. Intestine
B. Colon
c. Pus pockets of pyorrhoea
D. Intestine and colon
11
345In the above diagram, the teeth marked
B represent
A. Incisors
B. Canines
c. Molars
Dremolars
11
346Write names of different parts of human
digestive system and explain functions
of any three parts.
11
347The human intestine is long because
A. Bacteria in food can be killed gradually.
B. It provides more surface for food storage.
C. It increases surface area for absorption of food.
D. None of the above.
11
348Gluconeogenesis is
A. Formation of ammonia from glucose
B. Breakdown of glucose
C. Formation of glycogen
D. Formation of glucose from sources other than carbohydrate
11
349Movement of alimentary canal does not help in slipping down of food is
A. Peristalsis movement
B. Pendular (segmentary) movement
c. Both
D. None
11
350Kupffer’s cells are
A. Phagocytic
B. Actin
c. Myosin
D. Fibrin
11
351Which of the following factors regulate food intake?
A. Body temperature
B. Psychological factors
c. Blood glucose levels
D. All of these
11
352The factor which governs the absorption of digested food by intestinal villi is
A . Peristalsis
B. Osmosis
c. Emulsification
D. Differential absorption
11
353Cells of the pancreas are not digested by their own enzymes because
A. Enzymes are secreted in inactive form
B. Cells are not lined by mucous membrane
C. Enzymes are released only when needed
D. None of the above
11
354Digestion of starch in most of mammals start in
A. Stomach
B. Mouth
c. Duodenum
D. Oesophagus
11
355The given schematic diagram depicts heterodont teeth and its thecodont
arrangement. Find the correct labelling
for ( A-D ) fom the options given below.
A. A – Incisor, B- Canine, C – Premolar
D- Molar
B. A – Molar, B – Premolar, C -Canine, D-Incisor
C. A- Incisors, B-Premolar, C-Canine, D- Molar
D. A – Molar, B- Premolar, C-Incisor, D- Canine
11
356State the role of pancreatic juice in the digestion of proteins.11
357Which of the following is a rapid type of water absorption in plants?
A. Active absorption
B. Passive absorption
c. continuous absorption
D. Pulsating absorption
11
35837. The saliva helps in the digestion
(1) Proteins
(3) Fibres
(2) Starch
(4) Fats
11
359The diagram shows some food moving
along the alimentary canal. What is the
name of the process that pushes the
food along?
A. Absorption
B. Digestion
c. Peristalsis
D. Swallowing
11
360Soham is 6 years old. He was playing in the garden. One of his teeth fell as he
dashed a pillar. He started crying because he was hurt. He also felt that
his teeth will never come back and he
will not be able to eat chocolates. How
will you console him?
A. By telling him that his tooth was milk tooth
B. By telling him that his tooth was permanent tooth
c. By telling him that his tooth will be replaced
D. Both A and C
11
361Inner lining of gut, stomach and liver is composed of
A. Simple squamous epithelium
B. Simple columnar epithelium
c. simple cuboidal epithelium
D. compound epithelium
11
362Just as hydrochloric acid : pepsinogen
so is
A. Enterokinase : trypsinogen
B. Haemoglobin: oxygen
c. Bile juice : fat
D. Glucagon: glycogen
11

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