AQA GCSE Biology Topic 3- Organisation and the Digestive System

Question 1

What yellow-green liquid is used to turn stomach contents from acidic to alkaline?

Accepted Answer

Bile

Question 2

What is the function of muscular tissue?

Accepted Answer

To provide movement

Question 3

Lipids are also known as.....

Accepted Answer

Fats

Question 4

What theory is used to explain how enzymes work?

Accepted Answer

Lock and key theory

Question 5

Enzymes in the body are good because......

Accepted Answer

They can be used time and time again

Question 6

What is the optimum temperature for enzymes to work at?

Accepted Answer

37°C

Question 7

The biological catalysts we use in the body for digestion are called....

Accepted Answer

Enzymes

Question 8

What are proteins made up of?

Accepted Answer

Amino acids

Question 9

Which of the following can affect how well enzymes work?

Accepted Answer

Temperature, pH

Question 10

The enzyme PROTEASE breaks down which nutrient?

Accepted Answer

Proteins

Question 11

What is the role of the small intestine?

Accepted Answer

Where the majority of nutrients are absorbed into the body

Question 12

Which of the following is NOT a vital component needed for cell structure?

Accepted Answer

Fibre

Question 13

What substance is found in the stomach to help digestion?

Accepted Answer

Hydrochloric acid

Question 14

Catalysts are used in digestion, what is their role on digestion?

Accepted Answer

They increase the speed of the chemical reactions.

Question 15

The enzymes that breakdown carbohydrates are the only enzyme produced by the......

Accepted Answer

Salivary glands

Question 16

Which type of tissue is NOT used/found in the digestive system?

Accepted Answer

Nerve tissue

Question 17

What does this describe?.. 'A number of similar cells that work together to perform a partciluar function'

Accepted Answer

Tissue

Question 18

Carbohydrates that are made up of one single sugar structure are called...

Accepted Answer

Simple sugars

Question 19

On average, how long is your digetsive system, from mouth to anus?

Accepted Answer

6-9m

Question 20

Which of the following is NOT an enzyme found in the body?

Accepted Answer

Fibrase

Question 21

Which of the following are organ systems found in the body?

Accepted Answer

Circulatory system, Skeletal system, Urinary system, Cardiovascular system

Question 22

What term describes what happens to an enzyme if the temperature becomes too high?

Accepted Answer

Denature

Question 23

What is the role of the liver?

Accepted Answer

To create bile so fat can be managed in the body

Question 24

What are fats made up of?

Accepted Answer

Fatty acids and glycerol

Question 25

What organ is bile produced in?

Accepted Answer

Liver

Question 26

Protein rich foods include....

Accepted Answer

Beans/Pulses, Fish, Meat

Question 27

A number of organs that work together to perform a partcular function is called....?

Accepted Answer

Organ system

Question 28

When food has been broken down into smaller molecules it is passed into.....

Accepted Answer

Blood

Question 29

Which of the following is NOT an organ in the body?

Accepted Answer

Blood

Question 30

What are the smallest structures called that make up the human body?

Accepted Answer

Cells

Question 31

Which of the following organs is not part of the digestive system?

Accepted Answer

Heart

Question 32

Foods rich in carbohydrates are......

Accepted Answer

Rice, Potatoes, Pasta

Question 33

What do a collection of tissues form?

Accepted Answer

Organ

Question 34

Look at the diagram below, what is the name of the part labelled A?

Accepted Answer

Active site

Question 35

What are proteins used for in the body?

Accepted Answer

Growth and repair of tissues

Question 36

Bile EMULSIFIES fat, what does this mean?

Accepted Answer

It breaks down large fat droplets into small droplets

Question 37

What is the role of epithelial tissue?

Accepted Answer

Cover outside of body and internal organs

AQA GCSE Biology Topic 3- Organisation and the Digestive System

Questions 37

AQA GCSE Biology Topic 3- Organisation and the Digestive System

Questions 37