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1 markFood and Nutrition

CSEC Integrated Science · May/June 2011 · Paper 2 · Question 1(a)(i)

Photosynthesis converts light energy into food in green plants.

State the kind of energy stored in this food.

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Other parts of this question

  1. 1(a)(ii)Identify the substance combined with carbon dioxide during photosynthesis.[1 mark]
  2. 1(b)Describe how plants and animals can become fossil fuels.[2 marks]
  3. 1(c)(i)Name ONE alternative source of energy suitable for electricity generation in this country.[1 mark]
  4. 1(c)(ii)Name a SECOND alternative source of energy suitable for electricity generation in this country.[1 mark]
  5. 1(d)(i)Give ONE disadvantage of the first alternative energy source named in (c) that may cause resistance to its adoption.[1 mark]
  6. 1(d)(ii)Give ONE disadvantage of the second alternative energy source named in (c) that may cause resistance to its adoption.[1 mark]
  7. 1(e)(i)Name TWO other atmospheric pollutants resulting from increased vehicular traffic.[2 marks]
  8. 1(e)(ii)State ONE negative environmental effect of ONE of the pollutants named in (e)(i).[1 mark]
  9. 1(e)(iii)Suggest TWO negative effects of increased atmospheric carbon dioxide levels on the Caribbean environment.[2 marks]
  10. 1(e)(iv)State TWO possible effects of increased air pollution on human health in the Caribbean.[2 marks]
  11. 1(f)(i)On Figure 1 on page 5, which already shows the curve for USA, plot a graph representing the carbon dioxide emission data for China using the scales provided.[5 marks]
  12. 1(f)(ii)Label the axes on the graph in Figure 1.[1 mark]
  13. 1(f)(iii)State an appropriate title for the graph.[1 mark]
  14. 1(f)(iv)Identify the period during which a decrease occurred in carbon dioxide emitted by the USA.[1 mark]
  15. 1(f)(v)Determine the year in which China's carbon dioxide emissions equalled those of the United States.[1 mark]
  16. 1(f)(vi)Based on the trends shown, predict which country would produce more carbon dioxide in 2010.[1 mark]

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