Medium level questions
10 min read

Digestion And Absorption

- Attempt the middle level questions to practice and be exam ready!
1
Choose the correct statement among the following. 
A
Intestinal mucosal epithelium has oxyntic cells.
B
Ptyalin converts proteins into proteoses and peptones.
C
Crypts of Lieberkuhn are seen at the base of villi in the intestine.
D
Sphincter of Oddi is present at the junction of the oesophagus and the cardia part of the stomach.
E
Goblet cells secrete hydrochloric acid in stomach.
2
Mark the correct statement.
A
Oxyntic tubular glands of the stomach epithelium include oxyntic cells, zymogen cells and goblet cells.
B
Oxyntic cells in stomach secrete HCl.
C
Gastric ulcers can be due to intake of alcohol, aspirin, smoking and excessive vagus stimulation, etc.
D
Fatty acids are transported in intestinal epithelial cells by sodium ion-dependent co-transport.
3
Match the column:
List 1Bilirubin and biliverdinHydrolysis of starchDigestion of fatSalivary gland
List 2ParotidBileLipasesAmylases
4
Gallstones in the gallbladder are produced by too much water absorption causing:
A
Precipitation of bile salts
B
Precipitation of bile pigments
C
Precipitation of fats
D
Precipitation of cholesterol
5
Pylorus is situated at the junction of:
A
Oesophagus and stomach
B
Stomach and duodenum
C
Duodenum and ileum
D
Ileum and rectum
6
Intestinal villi are numerous and larger in the posterior part of the small intestine than in the anterior part because:
A
Digestion is faster in posterior part.
B
Blood supply is poor in posterior part.
C
There is more digested food in posterior part.
D
Blood supply is rich in posterior part.
7
Consider the following pairs A-D.
A.Pancreas-Exocrine and endocrine
B.Liver-Bile pigments and bile salts
C.Pancreatic juice-Trypsin and amylase enzymes
D.Exocrine region of pancreas-Secretes digestive enzymes
The correct statements are given in:
A
A, C and D
B
B, C and D
C
A, B and D
D
A, B, C and D
8
Which of the following carries glucose from the digestive tract to the liver?
A
Hepatic artery
B
Pulmonary vein
C
Hepatic portal vein
D
Renal portal system
9
List1List2
A. Glucose1. Duodenum, move as chylomicrons
B. Fructose2. Small intestine facilitated diffusion
C. Glycerol, fatty acids3. Large intestine, active absorption
D. Cholesterol, maltose4. Glucose transporter
Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.
A
A- 4, B- 2, C- 1, D- 3
B
A- 2, B- 4, C- 1, D- 3
C
A- 2, B- 4, C- 3, D- 1
D
A- 2, B- 3, C- 4, D- 1
10
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 below:
A
B
C
D