A virus damages immune cells. Patients later get frequent infections from other pathogens. Long illness prevents some patients from working or meeting friends.
.1
Explain why other infections become more frequent.
[2 marks]
.2
Suggest two links between long illness and poorer mental health.
[2 marks]
4 marksFoundation and Higher
Spec and skills
Original practice question
Answer and supported method checks
After rainfall, water enters soil and is taken up by trees. On a sunny day the air above the woodland contains more water vapour.
.1
Explain how water moves from the soil to the atmosphere through the trees.
[2 marks]
.2
Describe two later processes that return this water to land as part of the cycle.
[2 marks]
4 marksFoundation and Higher
Spec and skills
Original practice question
Answer and supported method checks
A shrub produces flowers visited by bees. The bees obtain nectar, and pollen is transferred between flowers. A long drought reduces the shrub population.
.1
Explain why the relationship is an example of interdependence.
[2 marks]
.2
Explain how the drought could affect the bees even if they are not directly harmed by dry air.
[2 marks]
6 marksFoundation and Higher
Spec and skills
Original practice question
Answer and supported method checks
A council can build homes on unused industrial land or on a meadow. The industrial site costs more to clean, while the meadow contains many wildflower and insect species.
Evaluate the two sites in terms of human needs and biodiversity.
[6 marks]
6 marksHigher
Spec and skills
Original practice question
Answer and supported method checks
A proposed classification puts a whale with fish because both have a streamlined body. A second classification puts it with mammals using inherited features and DNA evidence.
Evaluate which evidence provides the stronger basis for an evolutionary classification.