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Worksheets

Exploring the Digestive System

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which organ is primarily responsible for absorbing nutrients from digested food?

a)

Stomach

b)

Small intestine

c)

Esophagus

d)

Large intestine

2.

What is the main function of the stomach in the digestive system?

a)

Absorbing water

b)

Breaking down food with acid and enzymes

c)

Producing bile

d)

Transporting food to the mouth

3.

Which of the following organs produces bile to aid in digestion?

a)

Pancreas

b)

Liver

c)

Stomach

d)

Large intestine

4.

What is the role of the esophagus in the digestive system?

a)

Absorbing nutrients

b)

Transporting food from mouth to stomach

c)

Producing digestive enzymes

d)

Storing waste

5.

Which digestive organ is responsible for water absorption and formation of feces?

a)

Small intestine

b)

Stomach

c)

Large intestine

d)

Pancreas

6.

What is the function of the pancreas in digestion?

a)

Absorbing nutrients

b)

Producing digestive enzymes and insulin

c)

Storing bile

d)

Breaking down fiber

7.

Which of the following is NOT a part of the digestive system?

a)

Gallbladder

b)

Kidney

c)

Esophagus

d)

Stomach

8.

What is the main function of the mouth in digestion?

a)

Absorbing nutrients

b)

Mechanical and chemical breakdown of food

c)

Producing bile

d)

Absorbing water

9.

Which enzyme in saliva begins the breakdown of starches in the mouth?

a)

Pepsin

b)

Amylase

c)

Lipase

d)

Lactase

10.

Which disorder is characterized by inflammation of the liver?

a)

Gastritis

b)

Hepatitis

c)

Ulcer

d)

Appendicitis

11.

What is the cause of acid reflux (heartburn)?

a)

Overproduction of bile

b)

Stomach acid flowing back into the esophagus

c)

Blockage in the small intestine

d)

Lack of digestive enzymes

12.

Which digestive disorder is caused by the inflammation of the appendix?

a)

Ulcer

b)

Hepatitis

c)

Appendicitis

d)

Gallstones

13.

Which of the following is a common symptom of lactose intolerance?

a)

Jaundice

b)

Bloating and diarrhea after consuming dairy

c)

Vomiting blood

d)

Severe abdominal pain in the lower right side

14.

What is the main function of bile in digestion?

a)

Breaking down proteins

b)

Emulsifying fats

c)

Absorbing vitamins

d)

Producing insulin

15.

Which organ stores bile produced by the liver?

a)

Pancreas

b)

Gallbladder

c)

Stomach

d)

Small intestine

16.

Which digestive disorder is often caused by Helicobacter pylori bacteria?

a)

Ulcer

b)

Hepatitis

c)

Gallstones

d)

Appendicitis

17.

What is the function of villi in the small intestine?

a)

Producing bile

b)

Increasing surface area for nutrient absorption

c)

Storing waste

d)

Breaking down proteins

18.

Which of the following is a common cause of constipation?

a)

Excessive bile production

b)

Lack of dietary fiber

c)

Overactive pancreas

d)

High protein intake

19.

Which organ is responsible for producing most of the digestive enzymes?

a)

Liver

b)

Pancreas

c)

Large intestine

d)

Gallbladder

20.

Which of the following is a function of the large intestine?

a)

Producing insulin

b)

Absorbing water and electrolytes

c)

Breaking down proteins

d)

Producing bile