Digestion MCQs for MDCAT Practice

Biology section, Digestion chapter. Sample questions from past PMC papers.

1. Question 1
   It is an enzyme secreted by small intestine:
   • A.Pepsin
   • B.Trypsin
   • C.Chymotrypsin
   • D.Sucrase
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
2. Question 2
   The digestive secretions from different parts of GIT have the ability to kill microbes present in the food. Which of the following best describe this role?
   • A.Disinfectants
   • B.Chemotherapeutics
   • C.Immunosuppressant
   • D.Antiseptics
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
3. Question 3
   Major metabolic factory, detoxification centre and storage organ of body is :
   • A.Stomach
   • B.Brain
   • C.Kidney
   • D.Liver
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
4. Question 4
   What is an example of symbiotic nutrition?
   • A.Dodder
   • B.Bacteria that breakdown the proteins of plants and animals
   • C.Mycorrhiza
   • D.Puccinia
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
5. Question 5
   Dome shaped part of the stomach is:
   • A.Cardiac region
   • B.Fundus
   • C.Corps
   • D.Pylorus
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
6. Question 6
   Which one of the following animals has no alimentary canal?
   • A.Ascaris
   • B.Pinworm
   • C.Planaria
   • D.Tapeworm
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
7. Question 7
   The lacteals are central lymph vessels that are found in:
   • A.Liver
   • B.Villi
   • C.Pancrease
   • D.Spleen
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.
8. Question 8
   Cells that lower the stomach pH are:
   • A.Parietal
   • B.Zymogen
   • C.Chief
   • D.None of these
   Sign up free to see the explanation, distractor analysis, and add this to your spaced repetition deck.