Quiz: Digestive System Quiz


Digestive System QuizOnline version Digestive system basics by Asra Zareen 1 What organ produces bile to aid fat digestion? a Liver b Pancreas c Stomach d Spleen 2 Primary site where most nutrients are absorbed? a Small intestine b Esophagus c Stomach d Large intestine 3 Which enzyme starts carbohydrate digestion in the mouth? a Protease b Salivary amylase c Lipase d Pepsin 4 Main role of the large intestine? a Secretin production b Water absorption and feces formation c Protein digestion d Bile emulsification 5 Where is acid chyme neutralized after leaving the stomach? a Duodenum by bicarbonate from the pancreas b Stomach c Liver d Esophagus 6 Which organ stores bile? a Gallbladder b Liver c Pancreas d Spleen 7 Which organ produces digestive enzymes like amylase, lipase, and protease? a Gallbladder b Stomach c Pancreas d Liver 8 What is the ring of muscle at the stomach’s exit called? a Ileocecal valve b Anal sphincter c Pyloric sphincter d Cardiac sphincter 9 What term describes the physical breakdown of food into smaller pieces? a Chemical digestion b Mechanical digestion (chewing) c Absorption d Fermentation 10 Which part of the small intestine is especially important for most nutrient absorption? a Ileum b Stomach c Duodenum d Jejunum Feedback 1 Bile is produced by the liver and stored in the gallbladder. 2 The small intestine, with villi and microvilli, absorbs most nutrients. 3 Salivary amylase begins breaking down starches in the mouth. 4 The large intestine absorbs water and forms stool. 5 Pancreatic bicarbonate neutralizes acid in the duodenum. 6 Bile is stored in the gallbladder and released as needed. 7 The pancreas secretes key digestive enzymes into the small intestine. 8 The pyloric sphincter controls gastric emptying into the duodenum. 9 Mechanical digestion includes chewing and mixing in the mouth. 10 The jejunum absorbs the majority of nutrients.

1

What organ produces bile to aid fat digestion?

a

Liver

b

Pancreas

c

Stomach

d

Spleen

2

Primary site where most nutrients are absorbed?

a

Small intestine

b

Esophagus

c

Stomach

d

Large intestine

3

Which enzyme starts carbohydrate digestion in the mouth?

a

Protease

b

Salivary amylase

c

Lipase

d

Pepsin

4

Main role of the large intestine?

a

Secretin production

b

Water absorption and feces formation

c

Protein digestion

d

Bile emulsification

5

Where is acid chyme neutralized after leaving the stomach?

a

Duodenum by bicarbonate from the pancreas

b

Stomach

c

Liver

d

Esophagus

6

Which organ stores bile?

a

Gallbladder

b

Liver

c

Pancreas

d

Spleen

7

Which organ produces digestive enzymes like amylase, lipase, and protease?

a

Gallbladder

b

Stomach

c

Pancreas

d

Liver

8

What is the ring of muscle at the stomach’s exit called?

a

Ileocecal valve

b

Anal sphincter

c

Pyloric sphincter

d

Cardiac sphincter

9

What term describes the physical breakdown of food into smaller pieces?

a

Chemical digestion

b

Mechanical digestion (chewing)

c

Absorption

d

Fermentation

10

Which part of the small intestine is especially important for most nutrient absorption?

a

Ileum

b

Stomach

c

Duodenum

d

Jejunum

Feedback

1

Bile is produced by the liver and stored in the gallbladder.

2

The small intestine, with villi and microvilli, absorbs most nutrients.

3

Salivary amylase begins breaking down starches in the mouth.

4

The large intestine absorbs water and forms stool.

5

Pancreatic bicarbonate neutralizes acid in the duodenum.

6

Bile is stored in the gallbladder and released as needed.

7

The pancreas secretes key digestive enzymes into the small intestine.

8

The pyloric sphincter controls gastric emptying into the duodenum.

9

Mechanical digestion includes chewing and mixing in the mouth.

10

The jejunum absorbs the majority of nutrients.

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Digestive System Quiz

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Digestive System QuizOnline version

by Asra Zareen

What organ produces bile to aid fat digestion?

Primary site where most nutrients are absorbed?

Which enzyme starts carbohydrate digestion in the mouth?

Main role of the large intestine?

Where is acid chyme neutralized after leaving the stomach?

Which organ stores bile?

Which organ produces digestive enzymes like amylase, lipase, and protease?

What is the ring of muscle at the stomach’s exit called?

What term describes the physical breakdown of food into smaller pieces?

Which part of the small intestine is especially important for most nutrient absorption?

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