Body cells divide in a series of stages called the cell cycle.
.1
Put the stages of the cell cycle in the correct order, starting with the first.
[1 mark]
.2
Name the type of cell division in the cell cycle that makes two genetically identical cells.
[1 mark]
.3
In the nucleus of a human body cell, how are the chromosomes arranged?
[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]
3 marksFoundation
Spec and skills
Original practice question
Answer and supported method checks
Respiration happens continuously in living cells.
.1
Which word equation shows aerobic respiration?
[1 mark]
.2
During hard exercise, muscle cells respire anaerobically. What do they produce?
[1 mark]
.3
Why do all living cells respire?
[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.
[2 marks]
3 marksFoundation
Spec and skills
Original practice question
Answer and supported method checks
Hormones are chemicals secreted by endocrine glands.
.1
Name the gland in the brain that is often called the 'master gland'.
