Digestion questions and worksheets

Digestion Multiple Choice: Test 1
The following ten questions are on the topic of digestion. You have 10 minutes to answers as many questions as you can try to have a go at all of the questions even if you are not sure of the answer. Good luck!
Question 1
Which of the following is in the correct order?
Digestion egestion ingestion and absorption
Egestion digestion absorption and ingestion
Digestion egestion ingestion and absorption
Ingestion digestion absorption and egestion
Question 2
What are the functions of saliva?
To keep the mouth moist and ensure that the food can be tasted
To keep the mouth moist and help digest the food
To help digest the food and make sure that it is at body temperature
To keep the mouth moist and keep and teeth clean
Question 3
The production of saliva may increase in response to hunger what is this called?
Gestatory response
Digestive response
Gustatory response
Epiglottal response

Question 4
What is the job of the cardiac sphincter?
To let food

Digestion Multiple Choice: Test 3
The following ten questions are on the topic of digestion. You have 10 minutes to answers as many questions as you can try to have a go at all of the questions even if you are not sure of the answer. Good luck!
Question 1
What is an essential nutrient?
Nutrients that an animal can manufacture in its body
Nutrients that an animal must get from its diet
Nutrients that are not needed for the animal to be healthy
Nutrients that are only needed by working animals
Question 2
Which types of food are good sources of protein?
Rice pasta potatoes and bread
Fish meat and pulses
Butter meat and dairy products
Fruit vegetables and grains
Question 3
What are the units that make up proteins called?
Alkaloids
Trypsins
Amino acids
Hydrochloric acids
Question 4
What are the main functions of carbohydrates within the body?
To help repair damaged tissues
To provide energy
To regulate water levels
To regulate temperature
Question 5
Which of the following are fat-soluble vitamins?
B and C
A

Revision questions on digestion
Put a tick in the box next to each correct sentence about digestion:
In digestion large molecules are broken down into small molecules.
Digestive enzymes slow down digestion.
The digestive system provides the right conditions for digestive enzymes to work well.
One sentence is incorrect. Write down a correct version of it in the space below.


Gastric juice is added to food when it reaches the stomach. This juice contains an acid.
Name the acid secreted by the stomach.

Estimate the pH of the stomach contents and give a reason for your answer.

Give two reasons why the stomach secretes this acid.


Match each part of the body to its correct function.
Part of the body

Function





The large intestine

Makes digestive enzymes and is where digested food is absorbed into the blood





The oesophagus (gullet)

Contains teeth to cut and grind food





The mouth

Is where water is absorbed and faeces are stored





The stomach

Joins the mouth with the stomach





The small intestine

Makes digestive enzymes

Types of Digestive System
The digestive tract of an animal is a continuous tube that has different regions which each do a different job. Animals have different digestive systems according to what they eat. The two main types of digestive system are:
Monogastric - These are animals that have only ________ stomach.
Polygastric These are animals such as _____ which have ___________ stomachs!
Depending on what they eat animals can be divided into two main categories these are herbivores which are animals that eat only plant material e.g. ________________ and carnivores which are animals that eat only ____________ e.g._______________.
TASK 1:
The digestive systems of these two groups have one major difference. Look at the diagram of the cat/dog digestive system and the rabbit digestive system below and then answer the questions on the following page.

Dog/ Cat Digestive System

Rabbit/ Guinea pig Digestive System
TASK 1: Questions
Write next to each diagram which is the herbivore and

Stages of Digestion
What is digestion?
Digestion is a chemical process that breaks down large complex food into simple compounds so it can be easily absorbed by the body. The waste is then excreted.
There are 5 main stages in the digestive process
Task
See if you can match the following words to the stages listed below:
Assimilation
Digestion
Mastication
Faecal below:
Assimilation
Digestion
Mastication
Faecal

Something to digest!

Across
4. The number of stomachs that a monogastric animal has?
8. The name for the tiny finger-like structures in the small intestine.
9. The digestive fluid secreted by the liver
10. The posh word for chewing!
12. The tube leading from the mouth to the stomach
13. Waste is stored here before it leaves the body.
14. The ______ intestine - where water is absorbed back into the body.
15. The final stage in the process of digestion
Down
1. The name for the movement of food along the oesophagus.
2. This is broken down into amino acids during digestion
3. This is what you call an animal that eats only plants.
5. The enzyme that breaks down fats.
6. The glands in the mouth that start to digest the food.
7. A big muscle in the mouth that rolls food into balls so that it can be swallowed easily.
11. The pancreas produces a mixture of enzymes and this called the _________ _________