Biology 7402: Energy Transfers in and Between Organisms Topical Past Paper Questions
AQA A Level Biology (7402) past-paper questions on Energy Transfers in and Between Organisms, free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigated the effect of temperature on the rate of aerobic respiration in woodlice. Figure 1 shows the apparatus they used. Figure 1 The student altered the temperature of the water bath and measured how far the drop of coloured liquid moved every minute for 5 minute…
A student investigated the effect of different sugars on the rate of respiration in yeast. Yeast normally respires glucose. Figure 2 shows the method she used for her first experiment. Figure 2 1 Other than those stated, suggest two variables the student needed to keep constant i…
Write an essay on one of the topics below. 1 The uses and importance of ATP in organisms. [25 marks] 2 The importance of cycles in biology. [25 marks]
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