CAPE Biology Unit 1 · 2004 · Paper 2 · Question 1(e)
Name THREE processes by which water and solutes can enter into a living plant or animal cell.
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- 1(a)(i)On the line next to EACH of the photographs, indicate whether the fluid bathing the cell is isotonic, hypertonic or hypotonic.[5 marks]
- 1(a)(ii)On the line next to EACH of the photographs, indicate whether the fluid bathing the cell is isotonic, hypertonic or hypotonic.[1 mark]
- 1(a)(iii)On the line next to EACH of the photographs, indicate whether the fluid bathing the cell is isotonic, hypertonic or hypotonic.[1 mark]
- 1(a)(iv)On the line next to EACH of the photographs, indicate whether the fluid bathing the cell is isotonic, hypertonic or hypotonic.[1 mark]
- 1(a)(v)On the line next to EACH of the photographs, indicate whether the fluid bathing the cell is isotonic, hypertonic or hypotonic.[1 mark]
- 1(b)(i)Suggest why the sizes of the red blood cells in photographs 1 – 3 change.[1 mark]
- 1(b)(ii)Suggest why the sizes of the plant cells in photographs 4 – 5 do not change.[1 mark]
- 1(c)Calculate the increase in size of red blood cells in photograph 3 over those in photograph 1.[1 mark]
- 1(d)When plant cells appear as in photograph 5, what is the specific name given to this condition?[1 mark]
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