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, on the other hand is quite a complicated system involved with breaking food into nutrients absorbed to enable proper body functions. Once food enters the mouth in man, digestion begins; it is there where the saliva’s enzymes start breaking carbohydrates. Food goes down into the esophagus, then down to the stomach where proteolytic stomach acids and enzymes continue breaking proteins.

The second portion is the small intestine, which is the main site of nutrient absorption. In this area, fats, proteins, and carbohydrates are broken down using the bile coming from the liver and the enzymes coming from the pancreas. These nutrients then get absorbed by the walls of the small intestine into the bloodstream. Waste moves to the large intestine.

The human gut has been evolved as a nutrient absorbing unit that helps in the disposal of waste products. In the large intestine, water is absorbed and the rest are molded into stool; therefore, the human bowel, consisting of both small and large intestines, is a well-developed system for the digestion of nutrients and for the disposal of waste products.

So, in general, the digestive system of man is an elaborate system wherein diversified enzymes and digestive processes are completely harmony to help keep man alive and healthy and fit.

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

2 / 40

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

3 / 40

Which sphincter separates the esophagus from the stomach?

4 / 40

Which disorder involves the surgical removal of the appendix?

5 / 40

Which condition involves the surgical removal of a tooth?

6 / 40

Which organ produces insulin to regulate blood sugar levels?

7 / 40

Which condition involves inflammation of the gums?

8 / 40

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

9 / 40

Which papillae on the tongue contain taste buds?

10 / 40

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

11 / 40

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

12 / 40

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

13 / 40

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

14 / 40

Which disease involves malignant growths in the mouth?

15 / 40

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

16 / 40

Which disorder involves the formation of gallstones in the gallbladder?

17 / 40

Which enzyme in saliva begins the digestion of starches?

18 / 40

Which disease involves malignant growths in the colon or rectum?

19 / 40

Which condition involves the formation of dental cavities?

20 / 40

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

21 / 40

Which disorder results from the inflammation of the pancreas?

22 / 40

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

23 / 40

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

24 / 40

Which condition involves inflammation of the lining of the esophagus?

25 / 40

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

26 / 40

What is the function of the esophagus in digestion?

27 / 40

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

28 / 40

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

29 / 40

Which disorder involves chronic inflammation of the intestinal lining?

30 / 40

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

31 / 40

Which bacterium is associated with the development of dental cavities?

32 / 40

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

33 / 40

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

34 / 40

Which enzyme breaks down proteins into peptides in the stomach?

35 / 40

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

36 / 40

Which organ stores and concentrates bile produced by the liver?

37 / 40

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

38 / 40

Which type of muscle controls swallowing in the esophagus?

39 / 40

What is the function of bile in digestion?

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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