Digestive System, Organs And Enzymes
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Quiz on digestion
- 1.
- 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.
- 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.
- 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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