Digestive System, Organs And Enzymes Quiz
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The digestive system is the system that is charged with breaking down the food we ingest and disposing of unwanted materials. This process is made possible through the help of specific organs that form the system. There are three main types of digestive enzymes, include Proteases, Lipases, and Amylases. See how much you understand about the digestive system organs and enzymes by taking the test below.
- 1.What is the purpose of eating food?
- A.
Ingestion
- B.
Digestion
- C.
Absorbtion
- D.
Egestion
- E.
All of the above
- 2.How does food move through the oesophagus?
- A.
Cilia (small hairs) move it
- B.
Gravity
- C.
Peristalsis
- D.
Chest muscles contracting around the oesophagus
- E.
All of the above
- 3.Where does digestion start?
- A.
Stomach
- B.
Mouth
- C.
Small intestines
- D.
Large intestines
- E.
Oesophagus
- 4.What is mechanical digestion?
- A.
The physical breakdown of food
- B.
Enzymes breaking down food
- C.
A and B
- 5.What is chemical digestion?
- A.
The physical breakdown of food
- B.
Enzymes breaking down food
- C.
A and B
- 6.Where does chemical digestion start?
- A.
Large intestines
- B.
Small intestines
- C.
Stomach
- D.
Mouth
- E.
Liver
- 7.What is an enzyme?
- A.
A catalyst that speeds up the breakdown of digestion
- B.
A chemical that breaks down food
- C.
A virus
- D.
An organ in the human body
- E.
All of the above
- 8.What does the salivary gland secrete?
- A.
Saliva
- B.
Amylase
- C.
Pepsin
- D.
A and B
- E.
A, B and C
- 9.What does amylase break down?
- A.
Protein
- B.
Fructose
- C.
Fats
- D.
Complex carbohydrates
- E.
Fibre
- 10.The stomach does what?
- A.
Churns the food into chyme
- B.
Regulates the amount of food that goes in and out of the stomach
- C.
Releases pepsin and protease
- D.
The stomach walls release mucus, water and hydrochloric acid
- E.
All of the above
- 11.Hydrochloric acid does what?
- A.
Stops amylase from working
- B.
Creates the optimum environment for pepsin and protease
- C.
Breaks down fats
- D.
Neutralises the pH levels
- E.
All of the above
- 12.The purpose of the muscus is what?
- A.
To protect the stomach lining
- B.
Keep the food moist
- C.
Allows nutrients to be absorbed
- D.
Carries the enzymes
- E.
All of the above
- 13.What do pepsin and protease do?
- A.
Breaks down long-chain peptides into short-chain peptides
- B.
Breaks down fats into fatty acids
- C.
Breaks down sucrose into glucose
- D.
Breaks down long amino acids into smaller amino acid chains
- E.
All of the above
- 14.Muscus is made of what?
- A.
Glucose
- B.
Amino acids
- C.
Protein
- D.
Fatty acids
- E.
All of the above
- 15.From the stomach where does the food move next?
- A.
Ileum
- B.
Duodenum
- C.
Jejunum
- D.
Gall bladder
- E.
Liver
- 16.How does the food move from the stomach to the small intestines
- A.
Sphincter muscles
- B.
Peristalsis
- C.
Gravity
- D.
Smooth muscles located around the stomach and small intestines
- E.
All of the above
- 17.The small intestines consists of what?
- A.
The ileum
- B.
The duodenum
- C.
The jejunum
- D.
The ileum, duodenum and jejunum
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