Human Body Systems

Digestive System MCQs with Answers

Welcome to the Digestive System MCQs with Answers. In this post, we have shared Digestive System Online Test for different competitive exams. Find practice Digestive System Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Digestive System.

The human digestive system is a complex network responsible for breaking down food and absorbing nutrients essential for the body’s functioning. The digestion process in humans begins in the mouth, where enzymes in saliva start breaking down carbohydrates. The food then travels through the esophagus to the stomach, where stomach acids and enzymes further digest proteins.

Next, the partially digested food moves into the small intestine, the primary site for nutrient absorption. Here, bile from the liver and pancreatic enzymes play crucial roles in breaking down fats, proteins, and carbohydrates. The small intestine’s walls absorb nutrients into the bloodstream, while the remaining waste moves into the large intestine.

The digestive tract of humans is designed to maximize nutrient extraction and waste elimination. In the large intestine, water is reabsorbed, and the waste is formed into stool, which is eventually expelled from the body. The human bowel system, comprising the small and large intestines, ensures efficient digestion and waste management.

Overall, the digestive system in man is an intricate system where various enzymes and digestive processes work in harmony to maintain overall health and wellbeing.

Digestive System Online Quiz

By presenting 3 options to choose from, Digestive System Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Digestive System Questions and Answers and click over the correct answer.

  • Test Name: Digestive System MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

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Digestive System MCQs

Digestive System

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1 / 40

Which sphincter separates the esophagus from the stomach?

2 / 40

Which organ produces insulin to regulate blood sugar levels?

3 / 40

Which structure regulates the passage of food from the stomach to the small intestine?

4 / 40

Which disease involves malignant growths in the colon or rectum?

5 / 40

Which condition involves the loss of tooth enamel caused by acid attack?

6 / 40

Which condition involves the protrusion of the intestines through the abdominal wall?

7 / 40

What is the function of the esophagus in digestion?

8 / 40

What is the term for the wave-like contractions that move food through the esophagus?

9 / 40

Which organ is responsible for the majority of nutrient absorption in the digestive system?

10 / 40

Which condition involves the narrowing of the esophagus due to scar tissue formation?

11 / 40

Which type of muscle controls swallowing in the esophagus?

12 / 40

Which papillae on the tongue contain taste buds?

13 / 40

Which enzyme breaks down proteins into peptides in the stomach?

14 / 40

Which condition involves the inability to digest lactose due to insufficient lactase enzyme?

15 / 40

Which disorder results in chronic inflammation and ulceration of the mouth lining?

16 / 40

What is the function of bile in digestion?

17 / 40

Which enzyme in saliva begins the digestion of starches?

18 / 40

Which disorder involves the formation of gallstones in the gallbladder?

19 / 40

Which condition involves the accumulation of fluid in the abdominal cavity?

20 / 40

Which condition involves the surgical removal of a tooth?

21 / 40

Which condition involves the loss of tooth enamel caused by acid attack?

22 / 40

Which enzyme breaks down fats into fatty acids and glycerol in the small intestine?

23 / 40

Which disease involves malignant growths in the mouth?

24 / 40

Which structure in the mouth helps in the mechanical breakdown of food?

25 / 40

Which condition involves the inflammation of the lining of the stomach?

26 / 40

Which disorder results from the inflammation of the pancreas?

27 / 40

Which condition involves inflammation of the lining of the esophagus?

28 / 40

What is the main function of the large intestine in digestion?

29 / 40

Which disorder involves chronic inflammation and infection of the gums and bones supporting the teeth?

30 / 40

Which disorder involves chronic inflammation and infection of the gums and bones supporting the teeth?

31 / 40

Which disorder results from the backward flow of stomach acid into the mouth?

32 / 40

Which bacterium is associated with the development of dental cavities?

33 / 40

Which condition involves the formation of dental cavities?

34 / 40

Which disorder involves chronic inflammation of the intestinal lining?

35 / 40

Which procedure is used to examine the interior of the mouth and throat?

36 / 40

Which condition involves inflammation of the gums?

37 / 40

Which disorder results from stomach acid backing up into the esophagus?

38 / 40

Which organ stores and concentrates bile produced by the liver?

39 / 40

Which disorder involves the surgical removal of the appendix?

40 / 40

Which organ connects the throat to the stomach in the digestive system?

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Digestive System Flashcards

Which organ is responsible for the majority of nutrient absorption in the digestive system?

Small intestine

What is the function of bile in digestion?

Emulsifies fats

Which enzyme breaks down proteins into peptides in the stomach?

Pepsin

Which structure regulates the passage of food from the stomach to the small intestine?

Pyloric sphincter

What is the main function of the large intestine in digestion?

Absorbs water and salts

Which organ produces insulin to regulate blood sugar levels?

Pancreas

Which disorder results from the inflammation of the pancreas?

Pancreatitis

Which condition involves the accumulation of fluid in the abdominal cavity?

Ascites

Which disorder involves the formation of gallstones in the gallbladder?

Cholelithiasis

Which enzyme breaks down fats into fatty acids and glycerol in the small intestine?

Lipase

Which condition involves the inflammation of the lining of the stomach?

Gastritis

Which disease involves malignant growths in the colon or rectum?

Colorectal cancer

Which disorder involves chronic inflammation of the intestinal lining?

Crohn's disease

Which organ stores and concentrates bile produced by the liver?

Gallbladder

Which condition involves the inability to digest lactose due to insufficient lactase enzyme?

Lactose intolerance

Which enzyme in saliva begins the digestion of starches?

Amylase

Which structure in the mouth helps in the mechanical breakdown of food?

Teeth

Which papillae on the tongue contain taste buds?

Fungiform

Which condition involves inflammation of the gums?

Gingivitis

Which disorder results from the backward flow of stomach acid into the mouth?

GERD (Gastroesophageal reflux disease)

Which condition involves the formation of dental cavities?

Dental caries

Which bacterium is associated with the development of dental cavities?

Streptococcus mutans

Which condition involves the surgical removal of a tooth?

Extraction

Which disorder involves chronic inflammation and infection of the gums and bones supporting the teeth?

Periodontitis

Which condition involves the loss of tooth enamel caused by acid attack?

Dental erosion

Which disease involves malignant growths in the mouth?

Oral cancer

Which procedure is used to examine the interior of the mouth and throat?

Endoscopy

Which condition involves the protrusion of the intestines through the abdominal wall?

Hernia

Which disorder involves the surgical removal of the appendix?

Appendectomy

Which disorder results in chronic inflammation and ulceration of the mouth lining?

Stomatitis

Which organ connects the throat to the stomach in the digestive system?

Esophagus

What is the function of the esophagus in digestion?

Transport food to the stomach

Which sphincter separates the esophagus from the stomach?

Lower esophageal sphincter (LES)

Which type of muscle controls swallowing in the esophagus?

Skeletal muscle

What is the term for the wave-like contractions that move food through the esophagus?

Peristalsis

Which condition involves inflammation of the lining of the esophagus?

Esophagitis

Which disorder results from stomach acid backing up into the esophagus?

GERD (Gastroesophageal reflux disease)

Which condition involves the narrowing of the esophagus due to scar tissue formation?

Esophageal stricture

Which disorder involves chronic inflammation and infection of the gums and bones supporting the teeth?

Periodontitis

Which condition involves the loss of tooth enamel caused by acid attack?

Dental erosion

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