Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Organisation (AQA GCSE)
0
%
0
0
0
Back
Restart
What happens to an enzyme in high temperatures?
It changes
The active site denatures
It dies
Oops!
Okay!
What is an enzyme?
A lock and key
A carbohydrate
A biological catalyst
An active site
Oops!
Okay!
What is the function of bile?
It coats the small intestine to improve absorption
It breaks down lipids into fatty acids and glycerol
It emulsifies fats and neutralises stomach acid pH
Oops!
Okay!
What is the function of the liver?
Stores carbohydrates
Digests food
Stores lipase
Produces bile
Oops!
Okay!
Which of these has walls only one cell thick?
Vein
Capillary
Artery
Oops!
Okay!
What colour does a positive biuret test go?
Blue
Pink
Violet purple
Oops!
Okay!
What colour does a positive iodine test go?
Yellow
Red
Black
Green
Oops!
Okay!
What is the function of white blood cells?
To defend against pathogens
The liquid portion of the blood
To clot the blood
Carry oxygen
Oops!
Okay!
Which blood vessel carries deoxygenated blood from body to heart?
Vena cava
Aorta
Pulmonary Artery
Pulmonary Vein
Oops!
Okay!
What is the function of red blood cells?
The liquid portion of the blood
To cloth the blood
To carry oxygen
To defend against pathogens
Oops!
Okay!
Which blood vessel carries oxygenated blood from lungs to heart?
Aorta
Pulmonary artery
Vena cava
Pulmonary vein
Oops!
Okay!
What is the function of platelets?
Fight disease
Clotting
Transport
Oops!
Okay!
What does Benedict's test for?
Lipids
Sugars
Proteins
Oops!
Okay!
What does biuret test for?
The presence of starch
The presence of lipids
The presence of proteins
Oops!
Okay!
What colour does a positive Benedict's test go?
Brick red
Black
Purple
White
Oops!
Okay!
What are the upper chambers of the heart called?
Atria
Ventricles
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies