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2 marksThe Terrestrial Environment

CSEC Integrated Science · May/June 2015 · Paper 2 · Question 1(c)(ii)

Soil samples taken across fields 1-7 from limestone areas to clay hill, measuring pH.

Draw on the graph the best straight line to show the trend.

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Other parts of this question

  1. 1(a)(i)Give ONE reason why the ponds on the hillside dry up slower than those on the flat fields.[1 mark]
  2. 1(a)(ii)State TWO possible effects on the farm of cutting down the forest on the hillside.[2 marks]
  3. 1(a)(iii)Use the data from Table 1 to complete the food web in Figure 1 by drawing a MAXIMUM of 14 arrows in the appropriate places.[4 marks]
  4. 1(a)(iv)Name ONE herbivore, ONE carnivore and ONE omnivore in Table 1.[3 marks]
  5. 1(b)(i)Name the process used by living things to obtain energy.[1 mark]
  6. 1(b)(ii)Name the process by which plants make food.[1 mark]
  7. 1(b)(iii)Write a word equation for the process by which plants make food.[2 marks]
  8. 1(b)(iv)Name ONE form in which plants use nitrogen present in the soil.[1 mark]
  9. 1(c)(i)On the grid in Figure 2 on page 5, using the scales provided, plot a graph to represent the data in Table 2.[4 marks]
  10. 1(c)(iii)Label the axes on the graph.[1 mark]
  11. 1(c)(iv)Suggest an appropriate title for the graph.[1 mark]
  12. 1(c)(v)If corn grows best in a neutral pH, use the graph to determine which is the most suitable field to be used as a corn field.[1 mark]
  13. 1(c)(vi)Use the graph to determine which field would be best for growing citrus plants which flourish in acidic soils.[1 mark]

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