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Understanding the Digestive System

Total questions: 11

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following organs is primarily responsible for nutrient absorption in the digestive system?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Oesophagus

2.

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

a)

Absorption of nutrients

b)

Production of bile

c)

Mechanical and chemical digestion

d)

Water reabsorption

3.

Which enzyme is responsible for breaking down proteins in the stomach?

a)

Amylase

b)

Lipase

c)

Pepsin

d)

Lactase

4.

What is the role of bile in digestion?

a)

Neutralises stomach acid

b)

Breaks down carbohydrates

c)

Emulsifies fats

d)

Absorbs vitamins

5.

Which of the following is a common digestive disorder characterised by inflammation of the stomach lining?

a)

Gastroenteritis

b)

Irritable Bowel Syndrome (IBS)

c)

Gastritis

d)

Coeliac disease

6.

What is the primary function of the large intestine in the digestive system?

a)

Digestion of proteins

b)

Absorption of water and electrolytes

c)

Production of digestive enzymes

d)

Breakdown of fats

7.

Which part of the alimentary canal is responsible for the initial breakdown of carbohydrates?

a)

Stomach

b)

Mouth

c)

Small intestine

d)

Large intestine

8.

Which enzyme is secreted by the pancreas to aid in the digestion of fats?

a)

Amylase

b)

Trypsin

c)

Lipase

d)

Pepsin

9.

What is the approximate length of the small intestine in an adult human?

a)

1.5 metres

b)

3 metres

c)

6 metres

d)

9 metres

10.

Which condition is characterised by the inability to digest lactose, a sugar found in milk and dairy products?

a)

Coeliac disease

b)

Lactose intolerance

c)

Crohn's disease

d)

Ulcerative colitis

11.
Label the organs involved in digestion and absorption.