Biology B (Advancing Biology) H022: Analysis Topical Past Paper Questions

(a) Bowel cancer is the term used to describe the development of a tumour in the large intestine. The graph shows the rate of bowel cancer in different age groups. Key: ☐Female ☐Male (i) Calculate the percentage increase in the rate of bowel cancer in females from age 50–59 to ag…

Ageing causes a reduction in lung function. VO $ _{2} $ max is the maximum rate at which oxygen can be taken in, transported and used. The graph shows the change in $ VO_{2} $ max as a percentage of predicted value of an average 25-year-old. $ VO_{2} $ max as percentage of predic…

A student was investigating the effect of sucrose concentration on plasmolysis in onion cells using the following procedure. • Five Petri dishes were labelled A to E. - Six drops of $ 0.2 \, mol dm^{-3} $ sucrose solution and two drops of differential stain were added to Petri di…