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4 marksNutrition in Living Organisms

CSEC Biology · May/June 2007 · Paper 2 · Question 1(d)(i)

Table 2 shows the composition of human breast milk, UHT cow's milk, and infant formula.

Breast milk is described as best for babies. Using the information in Table 2, give TWO reasons why this description is appropriate.

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Other parts of this question

  1. 1(a)(i)Describe how the students may investigate the hypothesis. Include in your description any apparatus/materials required.[6 marks]
  2. 1(a)(ii)Write an aim for the investigation.[2 marks]
  3. 1(a)(iii)Suggest ONE precaution the students should take in their investigation.[1 mark]
  4. 1(b)(i)On the graph paper on page 5, construct a line graph to show the effect of carbon dioxide concentration on the rate of photosynthesis.[6 marks]
  5. 1(b)(ii)Using Table 1 and the graph you constructed, determine the concentration at which carbon dioxide is a limiting factor at high and low light intensities…[2 marks]
  6. 1(c)(i)Using arrows only, illustrate on Figure 2 the pathway by which the products of photosynthesis arrive at storage cells or organs.[2 marks]
  7. 1(c)(ii)What is the name of the transporting tissue?[1 mark]
  8. 1(c)(iii)Apart from carbon dioxide and sunlight, identify ONE OTHER environmental factor that is required for photosynthesis.[1 mark]
  9. 1(d)(ii)Apart from nutrients, suggest ONE OTHER value of breast milk.[1 mark]
  10. 1(e)Minerals are required for good nutrition in plants. Name TWO minerals used by plants and state the function of EACH mineral named.[4 marks]

More practice: the rest of this paper · more Nutrition in Living Organisms questions · all CSEC Biology past papers