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2 marksThe Uptake and Transport of Water and Minerals

CAPE Biology Unit 2 · 2012 · Paper 2 · Question 2(b)(i)

Figure 4 shows a schematic representation of a transverse section through a dicotyledonous root.

Use arrows labelled A and B on Figure 4 to indicate TWO separate locations where the movement of ions across the root is by active transport.

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Other parts of this question

  1. 2(a)(i)In the boxes in Figure 3, use annotated labels to describe the structure of A, B, C, D and E.[5 marks]
  2. 2(a)(ii)State the role of EACH of A, C, and D in the functioning of the heart.[3 marks]
  3. 2(a)(iii)State the role of the autonomic nervous system in the functioning of the heart.[1 mark]
  4. 2(b)(ii)For EACH of the two locations identified in (b)(i), outline the movement of ions into and out of the cells.[2 marks]
  5. 2(b)(iii)Explain the relationship between the movement of ions and the movement of water across the root.[2 marks]

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