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3 marksThe Terrestrial Environment

CSEC Integrated Science · May/June 2014 · Paper 2 · Question 1(a)(i)

Amelia is studying the water cycle and draws a diagram showing processes in it.

Identify the processes represented by arrows A, B and C in Figure 1.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 1(a)(ii)State TWO uses of water for Amelia other than drinking.[2 marks]
  2. 1(a)(iii)Suggest ONE reason why Amelia's cousin became very sick after drinking untreated river water.[1 mark]
  3. 1(a)(iv)Name TWO methods Amelia's community can use to treat the river water to make it suitable for drinking.[2 marks]
  4. 1(b)(i)State ONE effect that cutting down the forest will have on the water cycle.[1 mark]
  5. 1(b)(ii)The logging company plans to replant with trees poisonous to local herbivores. State ONE way this would affect the forest food webs.[1 mark]
  6. 1(c)(i)State ONE benefit to the environment of using hydroelectric power.[1 mark]
  7. 1(c)(ii)Identify ONE negative effect on the local environment of building the dam.[1 mark]
  8. 1(c)(iii)State ONE way the large lake (dam) may affect the water cycle.[1 mark]
  9. 1(c)(iv)Name ONE suitable material for making uninsulated electrical lines used to transmit high voltage electricity efficiently over long distances.[1 mark]
  10. 1(c)(v)Identify ONE hazard that can result from these electrical transmission lines.[1 mark]
  11. 1(d)(i)Plot the points representing the data in Table 1 on the grid in Figure 2.[4 marks]
  12. 1(d)(ii)Draw the best smooth curve on the graph to show the trend.[2 marks]
  13. 1(d)(iii)Label the axes on the graph.[1 mark]
  14. 1(d)(iv)State an appropriate title for the graph.[1 mark]
  15. 1(d)(v)Use the trend shown in the graph to predict the level of dissolved carbon dioxide in the ocean in 2025.[1 mark]
  16. 1(d)(vi)Using the trend in the graph, state a conclusion about the level of carbon dioxide in the ocean over the period 1850–2000.[1 mark]

More practice: the rest of this paper · more The Terrestrial Environment questions · all CSEC Integrated Science past papers