Chapter 16 – Digestion And Absorption

Which of the following is not true of intestinal villi?

• a.They possess 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

Hepato-pancreatic duct opens into the duodenum and carries

• a.Bile
• b.Pancreatic juice
• c.Both bile and pancreatic juice
• d.Saliva

Which of the following is not a common disorder associated with digestive system?

• a.Tetanus
• b.Diarrhoea
• c.Jaundice
• d.Dysentery

A gland not associated with the alimentary canal is

• a.Pancreas
• b.Adrenal
• c.Liver
• d.Salivary glands

Match the two columns and select the correct among options given Column I Column II A. Biomacromolecules of food i. Alimentary canal and associated gland B. Human digestive system ii. Embedded in jawbones. C. Stomach iii. Outer wall of visceral organs D. Thecodont iv. Converted into simple substances E. Serosa v. J-shaped bag like structure Options:

• a.A-ii, B-i, C-v, D-iii, E-iv
• b.A-iv, B-i, C-v, D-ii, E-iii
• c.A-i, B-ii, C-iii, D-iv, E-v
• d.A-i, B-iii, C-ii, D-iv, E-v

Match the two columns and select the right one among options given Column I Column II A. Duodenum i. A cartilaginous flap B. Epiglottis ii. Small blind sac C. Glottis iii. ‘U’ shaped structure emerging from the stomach D. Caecum iv. Opening of wind pipe Options

• a.A-i, B-ii, C-iii, D-iv
• b.A-iv, B-iii, C-ii, D-i
• c.A-iii, B-i, C-iv, D-ii
• d.A-ii, B-iv, C-i, D-iii

Match the enzyme with their respective substrate and choose the right one among options given Column I Column II A. Lipase i. Carbohydrates B. Nuclease ii. Fats C. Carboxypeptidase iii. Nucleic acids D. Glycoridases iv. Proteins, peptones and proteoses. Options:

• 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

Dental formula in human beings is

• a.3 2 2 3 3223
• b.2 1 2 3 2123 DIGESTION AND ABSORPTION 93
• c.1232 1232
• d.2233 2233

Liver is the largest gland and is associated with various functions. Choose which is not correct from the following.

• a.Metabolism of carbohydrate
• b.Digestion of fat
• c.Formation of bile
• d.Secretion of hormone called gasotrin

Mark the right statement among the following

• a.Trypsinogen is an inactive enzyme
• b.Trypsinogen is secreted by intestinal mucosa
• c.Enterokinase is secreted by pancreas
• d.Bile contains trypsin