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Digestive System Quiz

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What is the primary function of the digestive system?

a)

Circulation of blood

b)

Breakdown and absorption of nutrients

c)

Regulation of body temperature

d)

Hormone production

2.

What is the role of saliva in digestion?

a)

To absorb nutrients

b)

To start the digestion of carbohydrates

c)

To neutralize stomach acid

d)

To lubricate food.

3.

What connects the mouth to the stomach?

a)

Trachea

b)

Pharynx

c)

Esophagus

d)

Duodenum

4.

What is the main function of the stomach?

a)

Absorption of nutrients

b)

Mechanical and chemical digestion of food

c)

Storage of bile

d)

Production of insulin

5.

Which part of the digestive system is primarily responsible for nutrient absorption?

a)

Small intestine

b)

Esophagus

c)

Stomach

d)

Larhệ intestine

6.

What are the three sections of the small intestine?

a)

Duodenum, jejunum, ileum

b)

Stomach, pancreas, liver

c)

Colon, rectum, anus

d)

Pharynx, larynx, trachea

7.

What does the liver produce to aid in digestion?

a)

Insulin.

b)

Bile

c)

Amylase

d)

Pepsin

8.

What is the role of the pancreas in digestion?

a)

Absorb nutrients

b)

Store bile

c)

Produce digestive enzymes

d)

Neutralize stomach acid

9.

What role does fiber play in the digestive system?

a)

Increases nutrient absorption

b)

Aids in digestion and elimination.

c)

Provides energy

d)

Produces bile

10.

Where is bile stored in the body?

a)

Stomach

b)

Small intestine

c)

Gallbladder

d)

Pancreas

11.

What is the main function of the large intestine?

a)

Nutrient absorption

b)

Production of digestive enzymes

c)

Absorption of water and electrolytes

d)

Breakdown of carbohydrates

12.

What process moves food through the esophagus?

a)

Absorption

b)

Peristalsis

c)

Segmentation

d)

Filtation

13.

Which organ is responsible for the absorption of most nutrients?

a)

Sotmach

b)

Large intestine

c)

Small intestine

d)

Liver

14.

What is the main purpose of the gallbladder?

a)

Produce digestive enzymes

b)

Store and concentrate bile

c)

Absorb nutrients

d)

Neutralize stomach acid

15.

What is the process of removing waste from the body called?

a)

Absorption

b)

Ingestion

c)

Digestion

d)

Emlimination

16.

What can happen if the digestive system malfunctions?

a)

Increased energy levels

b)

Nutrient deficiencies

c)

Improved immune function

d)

Enhanced metabolism

17.

What is a common symptom of digestive disorders?

a)

Skin rash

b)

Nausea

c)

Headache

d)

Muscle pain

18.

Which of the following is a function of the digestive enzymes?

a)

Break down food into smaller molecules

b)

Absorb nutrients

c)

Regulate blood sugar

d)

Produce hormones

19.

What is the first part of the small intestine called?

a)

Jejunum

b)

Ileum

c)

Duodenum

d)

Colon

20.

Which structure prevents food from entering the trachea during swallowing?

a)

Epiglottis

b)

Uvula

c)

Pharynx

d)

Larynx

21.

What condition is characterized by inflammation of the digestive tract?

a)

Gastroenteritis

b)

Appendicitis

c)

Diverticulitis

d)

All of the above

22.

Which nutrient is primarily broken down in the stomach?

a)

Carbohydrates

b)

Proteins

c)

Fats

d)

Vitamins

23.

What can excessive alcohol consumption lead to in the digestive system?

a)

Improved digestion

b)

Liver damage

c)

Enhanced nutrient absorption

d)

Weight loss

24.

What is an important factor for maintaining digestive health?

a)

High sugar intake

b)

Regular exercise

c)

Low fiber diet

d)

Smoking

25.

Which cells in the stomach secrete gastric acid?

a)

Parietal cells

b)

Chief cells

c)

Mucous cells

d)

Enteroendocrine cells

26.

Where does the digestive process begin?

a)

Stomach

b)

Small intestine

c)

Mouth

d)

Esophagus

27.

What does the liver produce to aid in digestion

a)

Insulin

b)

Bile

c)

Amylase

d)

Pepsin

28.

Which enzyme in saliva begins the digestion of carbohydrates?

a)

Lipase

b)

Amylase

c)

Pepsin

d)

Trypsin

29.

What is chyme?

a)

Undighested food

b)

A mixture of food and gastric juices

c)

Aborbed nutrients

d)

Bile

30.

What is the primary role of the intestinal villi?

a)

Produce bile

b)

Absorb nutrients

c)

Digest food

d)

Store waste