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CAPE Biology Unit 2 · May/June 2024 · Paper 2 · Question 1(b)(iv)

Table 1 shows the results of an experiment to determine the rate of respiration in germinating beans using the procedure described in 1(b).

Using the data in Table 1, identify which of the two beans respired faster.

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Other parts of this question

  1. 1(a)(i)List THREE products of the link reaction.[3 marks]
  2. 1(a)(ii)State the site of the link reaction.[1 mark]
  3. 1(a)(iii)Identify the name and function of the structures labelled Q, R and S in Figure 1.[6 marks]
  4. 1(a)(iv)Complete the diagram below to identify the reduced molecules produced. You MUST include the arrows to show where the molecules were produced in the Kreb's…[5 marks]
  5. 1(b)(i)State a suitable hypothesis for the experiment.[2 marks]
  6. 1(b)(ii)State a suitable control for the experiment.[1 mark]
  7. 1(b)(iii)Identify the manipulated and responding variable in this experiment.[2 marks]
  8. 1(c)Explain the function of EACH of the following microorganisms in maintaining tropical rainforest ecosystems as self-sustaining units. You MUST present your…[9 marks]

More practice: the rest of this paper · more Cellular Respiration and ATP Synthesis questions · all CAPE Biology Unit 2 past papers