Biology B (Advancing Biology) H022: Evaluation 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…

Energy drinks are sports supplements used by some athletes. A sports scientist wanted to investigate the reducing sugar content of one of the drinks. They used the following method: 1. Take a 5% glucose solution and add it to a labelled test tube. 2. Add excess Benedict's reagent…

A group of students investigated the effects of ethanol on the heart rate of the water flea, Daphnia pulex, and then analysed their results using a paired Student's t-test. • Ten water fleas were used in the investigation. • A value for $t$ was calculated as 25.8. -23. Which of t…