Q1.What is the dental formula of human being?

a)2123/2123

b)2123/2213

c)2114/2114

d)2122/2122

Q2.Which one serves as a passage for both food and air?

a)Larynx

b)Pharynx

c)Gullet

d)Glottis

Q3.Bile juice is  stored  in which organ of human body?

a)Gall bladder

b)Liver

c)Kidney

d)Pancreas

Q4.Which one of the following sequence is in correct order?

a)Descending  portal colon→Rectum→Anus

b)Colon→Anus→Rectum

c)Stomach→Jejunum→Duodenum

d)Ileum→Colon→Caecum

Q5.Given below the diagram of the transverse section of alimentary canal.Label it correctly and Choose the correct option accordingly.

                                                            A

B

C

D                                                                    E

a)A-Muscularis B-Serosa   C-Submucosa  D-Mucosa

b)A- Muscularis B-Serosa   C-Mucosa  D-Submucosa

c)A-Serosa  B-Muscularis   C-Mucosa  D-Submucosa

d) A- Serosa B- Muscularis C-Submucosa D-Mucosa

Q6.How many salivary glands are present in human being?

a)6

b)10

c)8

d)12

Q7.Which one of the following is regarded as source of instant energy?

a)Fats

b)Carbohydrates and Fats

c)Carbohydrates only

d)Minerals and Vitamins

Q8.The innermost layer of human gut forms irregular folds in the stomach which are known as

a)lumen

b)villi

c)rugae

d)Both   b) and c)

Q9.Common bile duct is formed by the fusion of

a)pancreatic duct and cystic duct

b)pancreatic duct and hepatic duct

c)pancreaticduct,hepatic duct and cystic duct

d)hepatic duct and cystic duct

Q10Which one is not associated with the secretion of saliva in human beings?

a)Parotids glands

b)Sublingual glands

c)Zymogenic cells

d)Submaxillary glands

Q11.Which enzyme is present in human saliva?

a)Ptylin

b)Pepsin

c)Enterokinase

d)Maltase

Q12. The diagram of large intestine of man is given below.Identify the parts labelled A, B,  C,  D,  E and  F

a)A=caecum,B=Vermiform appendix,C=Ascending colon,D=Transverse colon,E=Descending colon,

b) F=caecum,B=Vermiform appendix,E=Ascending colon,D=Transverse colon,C=Descending colon,

c) F=caecum,B=Vermiform appendix,C=Ascending colon,D=Transverse colon,E=Descending colon,

d) A=caecum,B=Vermiform appendix,D=Ascending colon,E=Transverse colon,F=Descending colon,

Q13.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

Q14.Which of the following match is correct?

a)Renin-Protein

b)Trypsin-starch

c)Invertase-Sucrase

d)Amylase-Lactose

Q15.Match the following columns

a) 5 4  1   2   3

b) 3 5  2   1   4

c) 2 3  5   4   1

d) 2 3  4   5   1

Q16.Which one of the following sugar is most rapidly  absorbed in the human gut.?

a)Glucose

b)Fructose

c)Galactose

d)Sucrose

Q17.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+

Q18.Absorption of fat occours through the process of

a)active transport

b)passive transport

c)osmosis

d)simple diffusion

Q19.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

Q20.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

Q21.Which is the inactive form of enzyme,pepsin?

a)Pepsinogen

b)Protease

c)Trypsin

d)Peptones

Q22.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

Q23.Which enzyme is responsible for the digestion of milk in infants?

a)Pepsin

b)Trypsin

c)Renin

d)various proteolytic enzyme

Q24.Maximum absorption of water occours in

a)caecum

b)colon

c)small intestine

d)large intestine

Q25.Succus entericus is secreted by

a)Goblet cells

b)Crypts of Lieberkuhn

c)Islets of lengerhans

d)Paneth cell

Q26.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

Q27.Which of the following present in the filiform papillae of the tongue?

a)chemoreceptors

b)thermoreceptors

c)tactile receptors

d)taste buds

Q28.The gastric juice contain

a)trypsin,renin,pepsin

b)pepsin,trypsin,amylase

c)pepsin ,renin,

d)trypsin,pepsin,lipase

Q29.Fill in the blanks with appropriate options to complete the given equation

Fats—–   A—àB—pancreatic lipase_–>Monoglycerides  +Fatty acids

a)A-Lysozyme,  B-Polyglycerides

b)A-Lysozyme,   B-Diglycerides

c)A-Lipase ,         B)Diglycerides

d)A-Lipase           B)Polyglycerides

Q30.Bile salt activates which enzyme?

a)Lipase

b)pancreatic amylase

c)Pepsinogen

d)Trypsinogen

Q31.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

Q32.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

Q33.Which form of fats is absorbed into the intestinal cells?

a)micelles

b)chylomicrons

c)fatty acids

d)both a)  and b)

Q34.Function of caecum is to carryout digestion of

a)starch

b)proteins

c)cellulose

d)fats

Q35.Part of the stomach which opens into the duodenum?

a)cardiac

b)pyloric

c)fundus

d)body

Q36.Which is the hardest material of the human body?

a)Dentine

b)Enamel

c)Teeth

d)Bone

Q37.Which one of the following pairs of food components in humans reaches the stomach totally undigested

a)starch and cellulose

b)protein and starch

c)starch and fat

d)fat and cellulose

Q38.A young infant may be feeding entirely on mother’s milk which is white in colour but he possesses yellowish coloured stools.What is this yellow colour due to?

a)Pancreatic juice poured into duodenum

b)Intestinal juice

c)Bile pigments passed through bile juice

d)Undigested milk protein casein.

Q39.The absorption of water,alcohol and monosaccharidesoccour in

a)gastric mucosa

b)mucosa of ileum

c)intestinal mucosa

d)none of the above

Q40.Select what is not true of intestinal villi among followings:

a)They possesses microvilli

b)They increase the surface area

c)They are supplied with capillaries and the lacteal vessels

d)They only participate in digestion of fats

Q41.Hepatopancreatic duct opens into the duodenum and carries

a)Bile

b)Pancreatic juice

c)both bie and pancreatic juice

d)saliva

Q42.One of the following is not a common disorder associated with digestive system:

a)Tetanus

b)Diarrhoea

c)Jaundice

d)Dysentery

Q43.Which one of the following is a non reducing carbohydrate?

a)Maltose

b)Sucrose

c)Lactose

d)Ribose 5 –phosphate

Q44.Where do certain symbiotic microorganisms normally occour in human body?

a)Caecum

b)oral lining and toungue surface

c)Vermiform appendix and rectum

d)Duodenum

Q45.What is the another name of gastro oesophageal sphincter?

a)pyloric sphincter

b)gastro duodenal sphincter

c)cardiac sphincter

d)sphincter of oddi

Q46.In humans,which opening is guarded by sphincter of Oddi?

a)Opening of hepatopancreatic ampulla into duodenum

b)Opening of stomach into duodenum

c)Opening of oesophagus into stomach

d)Opening of bile duct into gall bladder

Q47.The epithelium of the mucosa remain unaffected from HCl due to

a)Mucous continues to lubricate the inner lining

b)bicarbonates present in the gastric juices protect the linings

c)both  a)  and  b)

d)none of the above

Q48.Which of the following cells produce HCl ?

a)B-cell

b)α-cell

c)Oxyntic cell

d)Chief cell

Q49.What is frenulum?

a)It is the fold by which tongue is attached to the floor of oral cavity

b)it is an adenoid which is present on pharyngeal wall

c)it is a tonsil like structure

d)it is a V-shaped furrow which divides the surface of tongue.

Q50.Thecodont,diphyodont and heterodont teeth are characterstic of

a)Aves

b)Reptiles

c)Mammals

d)Amphibians

ANSWER KEY

1-a,2-b,3-a,4-a,5-d,6-a,7-c,8-c,9-d,10-c,11-a,12-a,13-b,14-c,15-b,16-c,17-b,18-d,19-c,20-b,21-a, 22-b,23-c,24-b,25-b,26-d,27-c,28-c,29-c,30-a,31-b,32-d,33-a,34-c,35-b,36-b,37-d,38-c,39-a,40-d,41-c 42-a,43-b,44-a,45-c,46-a,47-c,48-c,49-a,50-c