Differences in the characteristics of individuals in a population are called variation.
.1
Which two characteristics are caused only by the genes a person inherits? Tick two boxes.
[2 marks]
.2
What is a mutation?
[1 mark]
.3
Name the process by which organisms best suited to their environment are more likely to survive and breed.
[1 mark]
4 marksFoundation
Spec and skills
Original practice question
Answer and supported method checks
Substances move into and out of cells by diffusion, osmosis and active transport.
.1
Which statement describes diffusion?
[1 mark]
.2
Which two changes would increase the rate of diffusion of oxygen into a cell? Tick two boxes.
[2 marks]
.3
Root hair cells take in mineral ions from very dilute soil water. Which process do they use?
[1 mark]
3 marksFoundation
Spec and skills
Original practice question
Answer and supported method checks
A person touches a hot pan and quickly pulls their hand away. This is a reflex action.
.1
Put the parts of the reflex arc in order, starting with the receptor.
[1 mark]
.2
How does the signal cross a synapse between two neurones?
[1 mark]
.3
Which part of this reflex is the effector?
[1 mark]
4 marksFoundation
Spec and skills
Original practice question
Answer and supported method checks
Diseases can be communicable or non-communicable.
.1
Which two diseases are non-communicable? Tick two boxes.
[2 marks]
.2
What is a carcinogen?
[1 mark]
.3
Drinking large amounts of alcohol over many years is a risk factor for disease in one organ in particular.
Name this organ.
[1 mark]
5 marksFoundation and Higher
Spec and skills
Original practice question
Answer and supported method checks
A student looks at a leaf cell from a moss plant and a bacterial cell under a microscope.
How answer checking works
Fixed rules check calculations, units and supported phrases. A wording match is a guide to the scheme, not an examiner grade. Compare uncertain points with the scheme.
.1
Which structure controls which substances enter and leave the moss cell?
[1 mark]
.2
Give two ways the genetic material in the bacterial cell is different from the genetic material in the moss cell.
[2 marks]
.3
The moss cell is 0.1 mm long. The bacterial cell is 2 µm long.
Calculate how many times longer the moss cell is than the bacterial cell.
