NEET Digestion and Absorption PYQ practice sheet

7 previous-year NEET Zoology questions from Digestion and Absorption, newest papers first. Digestion and Absorption carries 10 of the Zoology questions in NEET 2020 to 2026, so this is a good place to test yourself after revising the chapter. Marking: +4 correct, −1 wrong.

1. 1.

   NEET 2023

   Match List I with List II. | List I (Cells) | List II (Secretion) | |---|---| | A. Peptic cells | I. Mucus | | B. Goblet cells | II. Bile juice | | C. Oxyntic cells | III. Proenzyme pepsinogen | | D. Hepatic cells | IV. HCl and intrinsic factor for absorption of vitamin $\mathrm{B_{12}}$ | Choose the correct answer from the options given below:

   • (A)
     A-II, B-IV, C-I, D-III
   • (B)
     A-IV, B-III, C-II, D-I
   • (C)
     A-II, B-I, C-III, D-IV
   • (D)
     A-III, B-I, C-IV, D-II
2. 2.

   NEET 2023

   Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

   • (A)
     Pyloric sphincter
   • (B)
     Sphincter of Oddi
   • (C)
     Ileo - caecal valve
   • (D)
     Gastro - oesophageal sphincter
3. 3.

   NEET 2022

   In which of the following animals, the digestive tract has additional chambers like crop and gizzard?

   • (A)
     Pavo, Psittacula, Corvus
   • (B)
     Corvus, Columba, Chameleon
   • (C)
     Bufo, Balaenoptera, Bangarus
   • (D)
     Catla, Columba, Crocodilus
4. 4.

   NEET 2022

   Which of the following functions is not performed by secretions from salivary glands?

   • (A)
     Digestion of disaccharides
   • (B)
     Control bacterial population in mouth
   • (C)
     Digestion of complex carbohydrates
   • (D)
     Lubrication of oral cavity
5. 5.

   NEET 2022

   Given below are two statements: Statement I: Fatty acids and glycerols cannot be absorbed into the blood. Statement II: Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood. In the light of the above statements, choose the correct answer from the options given below:

   • (A)
     Statement I is incorrect but Statement II is correct
   • (B)
     Both Statement I and Statement II are correct
   • (C)
     Both Statement I and Statement II are incorrect
   • (D)
     Statement I is correct but Statement II is incorrect
6. 6.

   NEET 2020

   Identify the correct statement with reference to human digestive system.

   • (A)
     Ileum opens into small intestine.
   • (B)
     Serosa is the innermost layer of the alimentary canal.
   • (C)
     Ileum is a highly coiled part.
   • (D)
     Vermiform appendix arises from duodenum.
7. 7.

   NEET 2020

   The enzyme enterokinase helps in conversion of :

   • (A)
     protein into polypeptides
   • (B)
     trypsinogen into trypsin
   • (C)
     caseinogen into casein
   • (D)
     pepsinogen into pepsin