Digestive System MCQs for GNM 1st Year | Anatomy & Physiology with Answers | NursingNotesGNM

 

Digestive System MCQs – GNM 1st Year Anatomy & Physiology

By NursingNotesGNM | Updated for GNM Final Exam 2026

Table of Contents

1. Introduction

2. Digestive System MCQs

3. Answer Key

4. FAQ – Digestive System

5. PPA – Previous & Probable Questions

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Introduction

The digestive system is responsible for ingestion, digestion, absorption, and metabolism of food. These MCQs are designed especially for GNM 1st year nursing students and entrance exam preparation.

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Digestive System MCQs

1. The alimentary canal starts from: A. Esophagus
   B. Stomach
   C. Mouth
   D. Pharynx

2. Which organ secretes bile? A. Pancreas
   B. Liver
   C. Gall bladder
   D. Stomach

3. Main site of absorption of nutrients is: A. Stomach
   B. Large intestine
   C. Small intestine
   D. Rectum

4. Salivary amylase digests: A. Protein
   B. Fat
   C. Starch
   D. Vitamins

5. HCl is secreted by: A. Mouth
   B. Esophagus
   C. Stomach
   D. Pancreas

6. Finger-like projections in small intestine are called: A. Alveoli
   B. Nephrons
   C. Villi
   D. Papillae

7. Main function of large intestine is: A. Digestion
   B. Absorption of nutrients
   C. Absorption of water
   D. Protein breakdown

8. Enzyme that digests proteins: A. Amylase
   B. Pepsin
   C. Lipase
   D. Maltase

9. Fats are absorbed through: A. Blood capillaries
   B. Lacteals
   C. Veins
   D. Arteries

10. Storage of bile occurs in: A. Liver
    B. Pancreas
    C. Gall bladder
    D. Duodenum

11. Which part connects stomach to small intestine? A. Ileum
    B. Jejunum
    C. Duodenum
    D. Cecum

12. Peristalsis means: A. Chewing
    B. Swallowing
    C. Wave-like movement
    D. Absorption

13. End product of carbohydrate digestion: A. Fatty acids
    B. Amino acids
    C. Glucose
    D. Glycerol

14. Pancreatic juice contains: A. Only insulin
    B. Only bile
    C. Digestive enzymes
    D. Hydrochloric acid

15. Rectum is concerned with: A. Digestion
    B. Absorption
    C. Storage of feces
    D. Enzyme secretion

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Answer Key

1-C
2-B
3-C
4-C
5-C
6-C
7-C
8-B
9-B
10-C
11-C
12-C
13-C
14-C
15-C

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FAQ – Digestive System

Q1. What is the digestive system?
It is the body system that breaks food into simple substances for absorption and energy.

Q2. What are accessory digestive organs?
Salivary glands, liver, gall bladder, and pancreas help digestion but food does not pass through them.

Q3. Where does absorption mainly occur?
In the small intestine with the help of villi.

Q4. What is metabolism?
Metabolism is the conversion of absorbed nutrients into energy and body tissues.

Q5. Which organ plays major role in metabolism?
The liver.

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PPA – Previous & Probable Questions

Previous Year Questions

1. Define digestion.

2. Name accessory digestive organs.

3. Write functions of stomach.

4. What is bile?

5. Define absorption.

Probable Questions (2026)

1. List parts of alimentary canal.

2. Explain digestion of carbohydrates.

3. Write short note on villi.

4. Functions of pancreas.

5. Difference between digestion and metabolism.

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One-Line Revision Points

• Small intestine is the main absorption site

• Liver is the metabolic hub

• Villi increase absorption area

• Pepsin digests proteins

• Lacteals absorb fats