Q.1
on Q138) Consider the following statements: (i) Niacin (Anti-pellagra vitamin) is present in meat, fish, peanuts, poultry, fruits and leafy vegetables. (ii) Crypts of Lieberkuhn are present in the liver. (iii) Steapsin is pancreatic amylase.
  • a) (i) and (iii) are correct.
  • b) (i) and (iii) are incorrect
  • c) (ii) and (iii) are correct
  • d) (ii) and (iii) are incorrect
Q.2
on Q139) Which of the following statements are correct? (a) Frenulum is the fold by which the tongue is attached to the floor of the mouth or oral cavity. (b) Lower surface of the tongue has little projections which bears taste buds. (c) Pharynx is the common passage for food and air. (d) Sphincter of Oddi guards and regulates the opening of stomach into duodenum. (e) Colon has three parts- an ascending, a transverse and a descending part and later opens into the rectum.
  • a) (a), (b) and (c)
  • b) (d) and (e)
  • c) (a), (c), (e).
  • d) All statements are correct.
Q.3
on Q140) Segregate the following statements into true and false category. Choose the right answer from the codes given below: (i) Mucosal epithelium has goblet cells, which secrete mucous and helps in lubrication. (ii) Mucosa forms gastric glands in the stomach and crypts in between the bases of villi in intestine. (iii) Cells lining the villi have brush border or microvilli. (iv) All the four basic layers in the wall of gut show modification in different parts of the alimentary canal.
  • a) All statements are correct.
  • b) (i), (ii) and (iii) are true while (iv) is false.
  • c) (i), (ii) and (iii) are false while (iv) is true
  • d) (i), (iv) are false while (ii) and (iii) are true.
Q.4
on Q142) Read the following statements thoroughly and identify whether true or false. (i) Bile is produced and stored in the liver and gall bladder, respectively. (ii) Common bile duct is formed by the fusion of all the right and left hepatic ducts and cystic ducts. (iii) Hepato-pancreatic duct opens into the proximal part of the small intestine. (iv) Pancreas consists of two parts, exocrine and endocrine, which secretes insulin and glucagon hormones and pancreatic juice containing enzymes respectively. (v) Pepsinogen, a secretion of chief cells is activated by HCl. (vi) Peptides are converted into Dipeptides, with the action of Carboxypeptidase.
  • a) All statements are true
  • b) All statements are false
  • c) Statements (i), (iii), (iv) and (v) are true while (ii) and (vi) are false
  • d) Statements (i), (iii), (v) and (vi) are false while (ii) and (iv) are true
Q.5
on Q143) Identify the type of gastrointestinal hormones P-R based on the functions given below: (i) The hormone P stimulates the crypts of Lieberkuhn. (ii) The hormone Q inhibits the secretion of glucagon by alpha cells of pancreas. (iii) The hormone R stimulates the Brunner’s glands to release mucous.
  • a) P – Gastrin, Q – Duocrinin, R – Enterokinin
  • b) P – Duocrinin, Q – Cholecystokinin, R – Enterokinin.
  • c) P – Duocrinin, Q – Cholecystokinin, R – Villikinin
  • d) P – Enterokinin, Q – Somatostatin, R – Duocrinin
Q.6
on Q144) Identify whether the given nutrients are absorbed by the active transport, simple diffusion or facilitated transport. Choose the correct option: (i) Glucose. (ii) Fructose (iii) Vitamin K (iv) Amino acids.
  • a) (i), (ii) – Active transport; (iii)- Facilitated transport, (iv) – Simple diffusion
  • b) (iii), (iv) – Active transport; (i)- Facilitated transport, (ii) – Simple diffusion
  • c) (i), (iv) – Active transport; (ii)- Facilitated transport, (iii) – Simple diffusion
  • d) (ii), (iii) – Active transport; (i)- Facilitated transport, (iv) – Simple diffusion
Q.7
on Q 145) The majority of venous blood outflow from Gastro-intestinal tract return:
  • a) Directly to heart.
  • b) Initially to liver.
  • c) To liver via heart
  • d) To lymph flow
Q.8
on Q146) Carrier ions like Na+ facilitates the absorption of substances like:
  • a) Fructose and some amino acids.
  • b) Amino acids and glucose.
  • c) Glucose and fatty acids.
  • d) Fatty acids and glycerol.
Q.9
on Q147) Proteolytic enzymes do not corrode the lining of alimentary canal because:
  • a) They are secreted in inactive form
  • b) Lining layer of alimentary canal does not contain proteins
  • c) These enzymes are not capable of digesting fat layer of stomach
  • d) None of these
Q.10
on Q149) Stool of a person is whitish grey coloured due to malfunction of the following organ?
  • a) Pancreas
  • b) Spleen
  • c) Kidney
  • d) Liver
Q.11
on Q150) If pancreas is removed, the compound which remain undigested is
  • a) Proteins
  • b) Carbohydrates
  • c) Fats
  • d) all of these
Q.12
on Q151) E.coli that lives in the human colon:
  • a) Helps in the absorption of water and elimination of salts
  • b) Producing Vitamin B12, Vitamin K, Thiamine and Riboflavin
  • c) Causes amoebic dysentery.
  • d) Secretes enzymes that digest cellulose
Q.13
on Q152) Teeth is .......... in origin.
  • a) Ectodermal
  • b) Endodermal
  • c) Ectomesodermal
  • d) Endomesodermal
Q.14
on Q153) Identify the statement which is incorrect about liver:
  • a) Liver is situated in the upper right section of abdominal cavity of body
  • b) The lobes of liver are joined with the help of falciform ligaments
  • c) The hepatocytes (Liver cells) are separated by Herring’s canal
  • d) Sphincter of Boyden surrounds the opening of the bile duct before it is joined with the pancreatic duct
Q.15
on Q154) The pH of the digestive juices within the human small intestine is between 7.5 and 8.This environment is slightly
  • a) Basic
  • b) Acidic
  • c) Neutral
  • d) None of these
Q.16
on Q155) Lipids, which can be found in oil based salad dressing and ice cream, during digestion are splitted in to
  • a) Fatty acids and glycerol
  • b) Glycerol and amino acids
  • c) Glucose and fatty acids
  • d) Glucose and amino acids
Q.17
on Q156) Mach column
Column I( vitamins) Column II (deficiency disease)
a. B1 Infertility
b. D Scurvy
c. E Beri-beri
d. C Bone formity;
  • a) a – 3, b – 4, c – 1, d – 2
  • b) a – 1, b – 2, c – 3, d – 4
  • c) a – 4, b – 3, c – 1, d – 2
  • d) a – 2, b – 4, c – 1, d – 3
Q.18
on Q157) Which one dental formula represent a heterodont placental draught and tough animal
  • a)
    unit-5_ch-2_qn-157choice_img_no1.png
  • b)
    unit-5_ch-2_qn-157choice_img_no2.png
  • c)
    unit-5_ch-2_qn-157choice_img_no3.png
  • d)
    unit-5_ch-2_qn-157choice_img_no4.png
Q.19
on Q158) Wernickes syndrome is generally common in alcoholic person; which is characterised by less mental activity and dual vision. It is caused by the deficiency of
  • a) Riboflavin
  • b) Thiamie
  • c) Pyridoxine
  • d) Retinol
Q.20
on Q159) In mammals, the teeth are I. Only two sets, present throughout life II. embedded in the socket of the jaw bones III. different types These conditions are respectively referred as
  • a) diphyodont, heterodont and thecodont
  • b) diphyodont, thecodont and heterodont
  • c) thecodont, diphyodont and heterodont
  • d) thecodont, heterodont and diphyodont
Q.21
on Q160) Q160) Which one of the following option is correct regarding digestion of food substances?
  Substrate Enzyme Site of action Product
a Starch Amylase Stomach Maltose
b Protein Pepsin Duodenum Peptones
c Lipid Lipase Pancreas Fat globules
d Sucrose Invertase Duodenum Glucose and Fructose
  • a) a
  • b) b
  • c) c
  • d) d
Q.22
on Q161) Wharton’s duct is the duct of
  • a) submandibular salivary gland
  • b) parotid gland
  • c) sublingual gland
  • d) all of these
Q.23
on Q162) Which of the following is correct?
  • a) Paneth cells secrete pepsinogen
  • b) Parietal cells secrete hydrochloric acid
  • c) Argentaffin cells secrete mucus
  • d) Chief cells secrete
Q.24
on Q163) Which vitamin deficiency disease , vitamin and source of vitamin match is true?
  • a) Sever bleeding – Tocopherol – Milk, egg
  • b) Anaemia – Ascorbic acid – Lemon, orange
  • c) Night blindness –Retinol –Carrot ,milk
  • d) Sterility, - Calciferol – Milk, butter
Q.25
on Q164) Excessive stimulation of vagus nerve inhuman may lead to
  • a) hoarse voice
  • b) peptic ulcer
  • c) efficient digestion of proteins
  • d) irregular contractions of diaphragm
Q.26
on Q165) The vitamin nicotinamide can be synthesized in our body from
  • a) tyrosine
  • b) tryptophan
  • c) valine
  • d) phenylalanine
Q.27
on Q166) Which of the following digestive juices has the minimum pH value?
  • a) Bile
  • b) Gastric juice
  • c) Saliva
  • d) Pancreatic juice
Q.28
on Q168) During digestion, before the action of lipase fat is emulsified by
  • a) ergosterols
  • b) phospholipids
  • c) lipoproteins
  • d) digitonin
Q.29
on Q169) The following is a scheme showing the fate of carbohydrates during digestion in the human alimentary canal. Identify the enzymes acting at stages indicated as A, B, C, and D. Choose the correct option from those given
unit-5_ch-2_que_no-169_img_no1.png
  • a) A = Amylase, B = Maltase C = Lactase D= Invertase
  • b) A = Amylase, B = Maltase C = Invertase D= Lactase
  • c) A = Amylase, B = Invertase C = Maltase D= Lactase
  • d) A = Amylase, B= Lactase C = Maltase D = Invertase
Q.30
on Q170) Lining of duodenum releases enzyme called
  • a) trypsin
  • b) Trypsinogen
  • c) erepsin
  • d) sterol esterase
Q.31
on Q171) Which of the following shows the correct sequence of events during digestion of protein?
  • a) Proteins → metaproteins → proteoses → amino acids → peptides
  • b) Proteins → primary proteins→ peptides → amino acids.
  • c) Proteins → proteoses and peptones → peptides → amino acids
  • d) Proteins → peptones → metaproteins and peptides.
Q.32
on Q172) Spiral valves are found in:
  • a) Walls of cystic duct (Spleen)
  • b) Hepatic duct
  • c) Walls of cystic duct (Gall bladder)
  • d) Common bile duct
Q.33
on Q173) Which of the following shows correct pairing for salivary glands in man?
  • a) Parotid → duct of Rivinus; submaxillary → Wharton’s duct; sublingual → duct of Stensen.
  • b) Parotid → duct of Stensen; submaxillary → Wharton’s duct; sublingual → duct of Rivinus.
  • c) Parotid → Wharton’s duct; submaxillary → duct of Stensen; sublingual→ duct of Rivinus.
  • d) Parotid → duct of Rivinus; submaxillary → duct of Stensen; sublingual → Wharton’s duct.
Q.34
on Q174) . Salivary amylase is stimulated by:
  • a) K+
  • b) Cl-
  • c) HCO3-
  • d) NH4+
Q.35
on Q175) Digestion of proteins is necessary because:
  • a) Proteins are not absorbed as such
  • b) Proteins have complex structure
  • c) Proteins are large molecules
  • d) Proteins are made up of amino acids
Q.36
on Q179) An independent duct from the pancreas which opens directly into the duodenum:
  • a) Duct of Rivinus.
  • b) Hepato-pancreatic duct
  • c) Duct of Santorini
  • d) Duct of Wirsung.
Q.37
on Q180) Which cells of Crypts of Lieberkuhn secrete antibacterial Lysozyme?
  • a) Argentaffin cells
  • b) Paneth cells
  • c) Zymogen cells
  • d) Kupffer cells
Q.38
on Q181) The phase of gastric secretion which occurs even before the food enters the stomach is:
  • a) Gastric phase
  • b) Intestinal phase.
  • c) Cephalic phase
  • d) Duodenal phase
Q.39
on Q182) Identify the group of microelements only, required by humans:
  • a) Iron, iodine, sodium, potassium.
  • b) Iron, iodine, zinc, chlorine
  • c) Zinc, copper, manganese, selenium.
  • d) Calcium, phosphorus, sulphur, potassium.
Q.40
on Q183) Digestion of Bio-macromolecules is essential because:
  • a) These molecules are absorbed directly from blood.
  • b) They cannot be utilised in the body in their original form.
  • c) Glycerol, amino acids are all Biomacromolecules and are easily absorbed
  • d) None of these
Q.41
on Q184) Teeth are attached on the jaw bones with the help of:
  • a) Peridontal membrane
  • b) Epidontal membrane
  • c) Falciform ligament
  • d) Space of Disse
Q.42
on Q185) The highly coiled region of the small intestine:
  • a) Duodenum.
  • b) jejunum
  • c) Ileum
  • d) Caecum
Q.43
on Q186) In duodenum and stomach the glands are present respectively in:
  • a) Mucosa and submucosa
  • b) Serosa and submucosa
  • c) Submucosa and serosa
  • d) Submucosa and mucosa
Q.44
on Q187) Identify the wrong statement regarding human liver.
  • a) Liver is the largest gland of the body weighing about 1.2 to 1.5kg
  • b) It is situated in the abdominal cavity and has two lobes separated by falciform ligament.
  • c) The hepatic cells are arranged in hepatic lobules in the form of a sheath
  • d) Each lobule is covered by a thin connective tissue called Glisson’s capsule.
Q.45
on Q188) Which of the following are the components of bile released into the duodenum?
  • a) Bile pigments, bile salts, cholesterol and phospholipids.
  • b) Bile pigments, bile salts, cholesterol and pancreatic enzymes
  • c) Bile salts, stigma sterol and phospholipids
  • d) Bile salts, cholesterol and glycolipids
Q.46
on Q89) Which among the following is not a substrate on which the enzymes of succus entericus act?
  • a) Maltose
  • b) Dipeptides
  • c) Nucleotides
  • d) Nucleic acids
Q.47
on Q190) Which of the following mentioned below describes Chylomicrons?
  • a) Fat coated bile pigments
  • b) Protein coated bile pigments
  • c) Fat coated protein molecules
  • d) Protein coated fat molecules
Q.48
on Q192) Identify the disorders mentioned and choose the correct option: (i) In this condition, the food is not properly digested leading to a feeling of fullness. (ii) In this condition, the absorption of food is reduced. (iii) In this condition, the eyes, skin turn yellow due to deposition of bile pigments.
  • a) (i) Diarrhoea. (ii) Vomiting, (iii) Jaundice.
  • b) (i) Indigestion, (ii) Vomiting, (iii) Jaundice
  • c) (i) Indigestion, (ii) Diarrhoea, (iii) Jaundice
  • d) (i) Diarrhoea, (ii) Constipation, (iii) Jaundice.
Q.49
on Q193) The vasoconstrictor and the vasodilator secreted by Argentaffin cells of gastric gland:
  • a) Serotonin and histamine.
  • b) Histamine and serotonin.
  • c) Angiotensin and histamine.
  • d) Histamine and Angiotensin
Q.50
on Q194) Gastric cells that help in the formation of haemoglobin and maturation of
  • a) Paneth cells
  • b) Enterocytes cells
  • c) Parietal cells
  • d) Zymogen cells
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