Biology 0610 · IGCSE · Diseases and immunity

Diseases and immunity — practice question

The graph illustrates the effect on the risk of lung cancer of smoking different numbers of cigarettes over different time periods. Which conclusions are supported by the data in the graph?

A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI